Finding the Fourth Proportional to 69,982,375.62, 105,020,385.99 and 29,041,813.38
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Solution
The fourth proportional to 69,982,375.62, 105,020,385.99 and 29,041,813.38 is: 43,582,150.85
Step by Step Solution
- Step 1: Write the proportion equation
69,982,375.62 : 105,020,385.99 = 29,041,813.38 : x - Step 2: Convert to fraction form
69,982,375.62/105,020,385.99 = 29,041,813.38/x - Step 3: Cross multiply
69,982,375.62x = 105,020,385.99 × 29,041,813.38 - Step 4: Simplify right side
69,982,375.62x = 3,049,982,451,017,146.50 - Step 5: Solve for x
x = 3,049,982,451,017,146.50/69,982,375.62 - Step 6: Final answer
x = 43,582,150.85
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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.