Finding the Fourth Proportional to 88,138,397.79, 121,502,798.35 and 61,594,340.71
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Solution
The fourth proportional to 88,138,397.79, 121,502,798.35 and 61,594,340.71 is: 84,910,605.89
Step by Step Solution
- Step 1: Write the proportion equation
88,138,397.79 : 121,502,798.35 = 61,594,340.71 : x - Step 2: Convert to fraction form
88,138,397.79/121,502,798.35 = 61,594,340.71/x - Step 3: Cross multiply
88,138,397.79x = 121,502,798.35 × 61,594,340.71 - Step 4: Simplify right side
88,138,397.79x = 7,483,884,758,558,401 - Step 5: Solve for x
x = 7,483,884,758,558,401/88,138,397.79 - Step 6: Final answer
x = 84,910,605.89
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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.