Finding the Fourth Proportional to 88,066,686.79, 121,528,694.28 and 48,910,984.66
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Solution
The fourth proportional to 88,066,686.79, 121,528,694.28 and 48,910,984.66 is: 67,495,307.46
Step by Step Solution
- Step 1: Write the proportion equation
88,066,686.79 : 121,528,694.28 = 48,910,984.66 : x - Step 2: Convert to fraction form
88,066,686.79/121,528,694.28 = 48,910,984.66/x - Step 3: Cross multiply
88,066,686.79x = 121,528,694.28 × 48,910,984.66 - Step 4: Simplify right side
88,066,686.79x = 5,944,088,101,678,909 - Step 5: Solve for x
x = 5,944,088,101,678,909/88,066,686.79 - Step 6: Final answer
x = 67,495,307.46
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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.