Finding the Fourth Proportional to 117,595,987.61, 176,356,217.69 and 38,794,781.12
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Solution
The fourth proportional to 117,595,987.61, 176,356,217.69 and 38,794,781.12 is: 58,179,713.46
Step by Step Solution
- Step 1: Write the proportion equation
117,595,987.61 : 176,356,217.69 = 38,794,781.12 : x - Step 2: Convert to fraction form
117,595,987.61/176,356,217.69 = 38,794,781.12/x - Step 3: Cross multiply
117,595,987.61x = 176,356,217.69 × 38,794,781.12 - Step 4: Simplify right side
117,595,987.61x = 6,841,700,863,358,867 - Step 5: Solve for x
x = 6,841,700,863,358,867/117,595,987.61 - Step 6: Final answer
x = 58,179,713.46
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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.