Finding the Fourth Proportional to 100,927,165.27, 139,279,549.10 and 54,517,439.70
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Solution
The fourth proportional to 100,927,165.27, 139,279,549.10 and 54,517,439.70 is: 75,234,099.75
Step by Step Solution
- Step 1: Write the proportion equation
100,927,165.27 : 139,279,549.10 = 54,517,439.70 : x - Step 2: Convert to fraction form
100,927,165.27/139,279,549.10 = 54,517,439.70/x - Step 3: Cross multiply
100,927,165.27x = 139,279,549.10 × 54,517,439.70 - Step 4: Simplify right side
100,927,165.27x = 7,593,164,419,502,439 - Step 5: Solve for x
x = 7,593,164,419,502,439/100,927,165.27 - Step 6: Final answer
x = 75,234,099.75
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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.