Finding the Fourth Proportional to 80,502,720.84, 120,527,320.14 and 72,339,787.08
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Solution
The fourth proportional to 80,502,720.84, 120,527,320.14 and 72,339,787.08 is: 108,305,912.96
Step by Step Solution
- Step 1: Write the proportion equation
80,502,720.84 : 120,527,320.14 = 72,339,787.08 : x - Step 2: Convert to fraction form
80,502,720.84/120,527,320.14 = 72,339,787.08/x - Step 3: Cross multiply
80,502,720.84x = 120,527,320.14 × 72,339,787.08 - Step 4: Simplify right side
80,502,720.84x = 8,718,920,676,250,596 - Step 5: Solve for x
x = 8,718,920,676,250,596/80,502,720.84 - Step 6: Final answer
x = 108,305,912.96
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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.