Finding the Fourth Proportional to 56,390,519.68, 77,822,767.68 and 31,944,434.56
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Solution
The fourth proportional to 56,390,519.68, 77,822,767.68 and 31,944,434.56 is: 44,085,500.96
Step by Step Solution
- Step 1: Write the proportion equation
56,390,519.68 : 77,822,767.68 = 31,944,434.56 : x - Step 2: Convert to fraction form
56,390,519.68/77,822,767.68 = 31,944,434.56/x - Step 3: Cross multiply
56,390,519.68x = 77,822,767.68 × 31,944,434.56 - Step 4: Simplify right side
56,390,519.68x = 2,486,004,309,431,843 - Step 5: Solve for x
x = 2,486,004,309,431,843/56,390,519.68 - Step 6: Final answer
x = 44,085,500.96
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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.