Finding the Fourth Proportional to 88,649,254.32, 122,337,906.80 and 48,956,704.19
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Solution
The fourth proportional to 88,649,254.32, 122,337,906.80 and 48,956,704.19 is: 67,561,320.85
Step by Step Solution
- Step 1: Write the proportion equation
88,649,254.32 : 122,337,906.80 = 48,956,704.19 : x - Step 2: Convert to fraction form
88,649,254.32/122,337,906.80 = 48,956,704.19/x - Step 3: Cross multiply
88,649,254.32x = 122,337,906.80 × 48,956,704.19 - Step 4: Simplify right side
88,649,254.32x = 5,989,260,714,431,389 - Step 5: Solve for x
x = 5,989,260,714,431,389/88,649,254.32 - Step 6: Final answer
x = 67,561,320.85
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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.