American Dollars rules the World , therefore your example is wrong
GDP comparisons using PPP are arguably more useful than those using nominal GDP when assessing a nation's domestic market and power , because PPP takes into account the relative cost of local goods, services and inflation rates of the country
even weak Greece use Euro and Greece never lost anything against Dollars
on the other hand , developed and industrialized Turkey use LİRA
and USA used Dollars as a weapon against Turkish economy and 1 USD has risen to 8,8 TL from 1,8 TL between 2013 and 2021
Turkish currency droped by 488% in the last 7 years
even Turkey had $956 billion of GDP Nominal in 2013
If there were no attacks on Turkey and Turkish economy , Today Turkey would have minimum $1,5 trillion of GDP Nominal instead of $794 billion
even Globalfirepower.com use PPP in global military strength ranking
Ranking total Purchasing Power Parity (PPP) between nations, from highest to lowest.
www.globalfirepower.com