Finding the Fourth Proportional to 71,179,660.90, 106,769,491.35 and 48,336,883.30
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Solution
The fourth proportional to 71,179,660.90, 106,769,491.35 and 48,336,883.30 is: 72,505,324.95
Step by Step Solution
- Step 1: Write the proportion equation
71,179,660.90 : 106,769,491.35 = 48,336,883.30 : x - Step 2: Convert to fraction form
71,179,660.90/106,769,491.35 = 48,336,883.30/x - Step 3: Cross multiply
71,179,660.90x = 106,769,491.35 × 48,336,883.30 - Step 4: Simplify right side
71,179,660.90x = 5,160,904,443,385,309 - Step 5: Solve for x
x = 5,160,904,443,385,309/71,179,660.90 - Step 6: Final answer
x = 72,505,324.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.