Finding the Fourth Proportional to 69,013,414.80, 103,432,204.80 and 36,680,806.80
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Solution
The fourth proportional to 69,013,414.80, 103,432,204.80 and 36,680,806.80 is: 54,974,481.88
Step by Step Solution
- Step 1: Write the proportion equation
69,013,414.80 : 103,432,204.80 = 36,680,806.80 : x - Step 2: Convert to fraction form
69,013,414.80/103,432,204.80 = 36,680,806.80/x - Step 3: Cross multiply
69,013,414.80x = 103,432,204.80 × 36,680,806.80 - Step 4: Simplify right side
69,013,414.80x = 3,793,976,721,166,832 - Step 5: Solve for x
x = 3,793,976,721,166,832/69,013,414.80 - Step 6: Final answer
x = 54,974,481.88
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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.