Cost of living in Ribeirão Preto (Brazil) is 30% more expensive than in Zapopan (Mexico)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 487 prices entered by 41 different people.
For example, you would need at least Mex$ 81,785 (R$ 15,814) in Ribeirão Preto to maintain the same standard of living that you can have with Mex$ 63,000 in Zapopan.