Finding the Fourth Proportional to 80,841,134.40, 121,279,416.30 and 39,920,177.40
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Solution
The fourth proportional to 80,841,134.40, 121,279,416.30 and 39,920,177.40 is: 59,889,013.80
Step by Step Solution
- Step 1: Write the proportion equation
80,841,134.40 : 121,279,416.30 = 39,920,177.40 : x - Step 2: Convert to fraction form
80,841,134.40/121,279,416.30 = 39,920,177.40/x - Step 3: Cross multiply
80,841,134.40x = 121,279,416.30 × 39,920,177.40 - Step 4: Simplify right side
80,841,134.40x = 4,841,495,813,664,451 - Step 5: Solve for x
x = 4,841,495,813,664,451/80,841,134.40 - Step 6: Final answer
x = 59,889,013.80
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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.