Finding the Fourth Proportional to 66,724,972.08, 92,053,096.56 and 40,598,545.20
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Solution
The fourth proportional to 66,724,972.08, 92,053,096.56 and 40,598,545.20 is: 56,009,342.30
Step by Step Solution
- Step 1: Write the proportion equation
66,724,972.08 : 92,053,096.56 = 40,598,545.20 : x - Step 2: Convert to fraction form
66,724,972.08/92,053,096.56 = 40,598,545.20/x - Step 3: Cross multiply
66,724,972.08x = 92,053,096.56 × 40,598,545.20 - Step 4: Simplify right side
66,724,972.08x = 3,737,221,801,491,125 - Step 5: Solve for x
x = 3,737,221,801,491,125/66,724,972.08 - Step 6: Final answer
x = 56,009,342.30
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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.