Finding the Fourth Proportional to 73,896,331.70, 110,844,497.55 and 72,006,763.70
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Solution
The fourth proportional to 73,896,331.70, 110,844,497.55 and 72,006,763.70 is: 108,010,145.55
Step by Step Solution
- Step 1: Write the proportion equation
73,896,331.70 : 110,844,497.55 = 72,006,763.70 : x - Step 2: Convert to fraction form
73,896,331.70/110,844,497.55 = 72,006,763.70/x - Step 3: Cross multiply
73,896,331.70x = 110,844,497.55 × 72,006,763.70 - Step 4: Simplify right side
73,896,331.70x = 7,981,553,542,528,079 - Step 5: Solve for x
x = 7,981,553,542,528,079/73,896,331.70 - Step 6: Final answer
x = 108,010,145.55
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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.