Profit margins aren't a "the total shall be X billion USD" division across countries. Making less profit in one country has nothing to do with what your profit

Profit margins aren't a "the total shall be X billion USD" division across countries. Making less profit in one country has nothing to do with what your profit margin will be in another one. Prices are always set to maximize profit, and what the customer is willing to pay you is the biggest factor in the equation.