Finding the Fourth Proportional to 117,005,451.80, 175,508,177.70 and 82,993,227.80
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Solution
The fourth proportional to 117,005,451.80, 175,508,177.70 and 82,993,227.80 is: 124,489,841.70
Step by Step Solution
- Step 1: Write the proportion equation
117,005,451.80 : 175,508,177.70 = 82,993,227.80 : x - Step 2: Convert to fraction form
117,005,451.80/175,508,177.70 = 82,993,227.80/x - Step 3: Cross multiply
117,005,451.80x = 175,508,177.70 × 82,993,227.80 - Step 4: Simplify right side
117,005,451.80x = 14,565,990,172,618,978 - Step 5: Solve for x
x = 14,565,990,172,618,978/117,005,451.80 - Step 6: Final answer
x = 124,489,841.70
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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.