Finding the Fourth Proportional to 88,649,253.32, 122,337,905.42 and 48,956,703.19
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Solution
The fourth proportional to 88,649,253.32, 122,337,905.42 and 48,956,703.19 is: 67,561,319.47
Step by Step Solution
- Step 1: Write the proportion equation
88,649,253.32 : 122,337,905.42 = 48,956,703.19 : x - Step 2: Convert to fraction form
88,649,253.32/122,337,905.42 = 48,956,703.19/x - Step 3: Cross multiply
88,649,253.32x = 122,337,905.42 × 48,956,703.19 - Step 4: Simplify right side
88,649,253.32x = 5,989,260,524,349,779 - Step 5: Solve for x
x = 5,989,260,524,349,779/88,649,253.32 - Step 6: Final answer
x = 67,561,319.47
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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.