Finding the Fourth Proportional to 72,033,207.24, 107,989,260.12 and 58,352,428.80
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Solution
The fourth proportional to 72,033,207.24, 107,989,260.12 and 58,352,428.80 is: 87,479,592.45
Step by Step Solution
- Step 1: Write the proportion equation
72,033,207.24 : 107,989,260.12 = 58,352,428.80 : x - Step 2: Convert to fraction form
72,033,207.24/107,989,260.12 = 58,352,428.80/x - Step 3: Cross multiply
72,033,207.24x = 107,989,260.12 × 58,352,428.80 - Step 4: Simplify right side
72,033,207.24x = 6,301,435,612,316,979 - Step 5: Solve for x
x = 6,301,435,612,316,979/72,033,207.24 - Step 6: Final answer
x = 87,479,592.45
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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.