Finding the Fourth Proportional to 117,568,156.38, 176,235,747.75 and 55,207,839.62
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Solution
The fourth proportional to 117,568,156.38, 176,235,747.75 and 55,207,839.62 is: 82,757,059.37
Step by Step Solution
- Step 1: Write the proportion equation
117,568,156.38 : 176,235,747.75 = 55,207,839.62 : x - Step 2: Convert to fraction form
117,568,156.38/176,235,747.75 = 55,207,839.62/x - Step 3: Cross multiply
117,568,156.38x = 176,235,747.75 × 55,207,839.62 - Step 4: Simplify right side
117,568,156.38x = 9,729,594,897,199,368 - Step 5: Solve for x
x = 9,729,594,897,199,368/117,568,156.38 - Step 6: Final answer
x = 82,757,059.37
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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.