Finding the Fourth Proportional to 49,854,787.68, 68,811,086.19 and 29,234,876.88
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Solution
The fourth proportional to 49,854,787.68, 68,811,086.19 and 29,234,876.88 is: 40,350,861.50
Step by Step Solution
- Step 1: Write the proportion equation
49,854,787.68 : 68,811,086.19 = 29,234,876.88 : x - Step 2: Convert to fraction form
49,854,787.68/68,811,086.19 = 29,234,876.88/x - Step 3: Cross multiply
49,854,787.68x = 68,811,086.19 × 29,234,876.88 - Step 4: Simplify right side
49,854,787.68x = 2,011,683,632,743,718.25 - Step 5: Solve for x
x = 2,011,683,632,743,718.25/49,854,787.68 - Step 6: Final answer
x = 40,350,861.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.