Finding the Fourth Proportional to 87,224,416.28, 120,370,490.56 and 48,067,597.96
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Solution
The fourth proportional to 87,224,416.28, 120,370,490.56 and 48,067,597.96 is: 66,333,723.90
Step by Step Solution
- Step 1: Write the proportion equation
87,224,416.28 : 120,370,490.56 = 48,067,597.96 : x - Step 2: Convert to fraction form
87,224,416.28/120,370,490.56 = 48,067,597.96/x - Step 3: Cross multiply
87,224,416.28x = 120,370,490.56 × 48,067,597.96 - Step 4: Simplify right side
87,224,416.28x = 5,785,920,346,486,055 - Step 5: Solve for x
x = 5,785,920,346,486,055/87,224,416.28 - Step 6: Final answer
x = 66,333,723.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.