Finding the Fourth Proportional to 227,531,799.87, 313,991,648.42 and 123,107,579.97
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Solution
The fourth proportional to 227,531,799.87, 313,991,648.42 and 123,107,579.97 is: 169,887,250.88
Step by Step Solution
- Step 1: Write the proportion equation
227,531,799.87 : 313,991,648.42 = 123,107,579.97 : x - Step 2: Convert to fraction form
227,531,799.87/313,991,648.42 = 123,107,579.97/x - Step 3: Cross multiply
227,531,799.87x = 313,991,648.42 × 123,107,579.97 - Step 4: Simplify right side
227,531,799.87x = 38,654,751,967,161,736 - Step 5: Solve for x
x = 38,654,751,967,161,736/227,531,799.87 - Step 6: Final answer
x = 169,887,250.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.