Finding the Fourth Proportional to 117,005,695.80, 175,508,543.70 and 82,993,471.80
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Solution
The fourth proportional to 117,005,695.80, 175,508,543.70 and 82,993,471.80 is: 124,490,207.70
Step by Step Solution
- Step 1: Write the proportion equation
117,005,695.80 : 175,508,543.70 = 82,993,471.80 : x - Step 2: Convert to fraction form
117,005,695.80/175,508,543.70 = 82,993,471.80/x - Step 3: Cross multiply
117,005,695.80x = 175,508,543.70 × 82,993,471.80 - Step 4: Simplify right side
117,005,695.80x = 14,566,063,372,225,016 - Step 5: Solve for x
x = 14,566,063,372,225,016/117,005,695.80 - Step 6: Final answer
x = 124,490,207.70
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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.