Finding the Fourth Proportional to 88,356,326.40, 132,534,489.60 and 54,296,863.20
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Solution
The fourth proportional to 88,356,326.40, 132,534,489.60 and 54,296,863.20 is: 81,445,294.80
Step by Step Solution
- Step 1: Write the proportion equation
88,356,326.40 : 132,534,489.60 = 54,296,863.20 : x - Step 2: Convert to fraction form
88,356,326.40/132,534,489.60 = 54,296,863.20/x - Step 3: Cross multiply
88,356,326.40x = 132,534,489.60 × 54,296,863.20 - Step 4: Simplify right side
88,356,326.40x = 7,196,207,051,093,023 - Step 5: Solve for x
x = 7,196,207,051,093,023/88,356,326.40 - Step 6: Final answer
x = 81,445,294.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.