Finding the Fourth Proportional to 85,987,425.33, 128,853,592.04 and 63,156,719.97
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Solution
The fourth proportional to 85,987,425.33, 128,853,592.04 and 63,156,719.97 is: 94,641,399.00
Step by Step Solution
- Step 1: Write the proportion equation
85,987,425.33 : 128,853,592.04 = 63,156,719.97 : x - Step 2: Convert to fraction form
85,987,425.33/128,853,592.04 = 63,156,719.97/x - Step 3: Cross multiply
85,987,425.33x = 128,853,592.04 × 63,156,719.97 - Step 4: Simplify right side
85,987,425.33x = 8,137,970,229,283,117 - Step 5: Solve for x
x = 8,137,970,229,283,117/85,987,425.33 - Step 6: Final answer
x = 94,641,399.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.