Finding the Fourth Proportional to 117,739,458.18, 176,635,767.51 and 38,955,778.92
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Solution
The fourth proportional to 117,739,458.18, 176,635,767.51 and 38,955,778.92 is: 58,442,462.83
Step by Step Solution
- Step 1: Write the proportion equation
117,739,458.18 : 176,635,767.51 = 38,955,778.92 : x - Step 2: Convert to fraction form
117,739,458.18/176,635,767.51 = 38,955,778.92/x - Step 3: Cross multiply
117,739,458.18x = 176,635,767.51 × 38,955,778.92 - Step 4: Simplify right side
117,739,458.18x = 6,880,983,908,484,079 - Step 5: Solve for x
x = 6,880,983,908,484,079/117,739,458.18 - Step 6: Final answer
x = 58,442,462.83
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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.