Finding the Fourth Proportional to 83,642,213.28, 125,414,604.50 and 32,464,444.98
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Solution
The fourth proportional to 83,642,213.28, 125,414,604.50 and 32,464,444.98 is: 48,677,759.33
Step by Step Solution
- Step 1: Write the proportion equation
83,642,213.28 : 125,414,604.50 = 32,464,444.98 : x - Step 2: Convert to fraction form
83,642,213.28/125,414,604.50 = 32,464,444.98/x - Step 3: Cross multiply
83,642,213.28x = 125,414,604.50 × 32,464,444.98 - Step 4: Simplify right side
83,642,213.28x = 4,071,515,527,786,693 - Step 5: Solve for x
x = 4,071,515,527,786,693/83,642,213.28 - Step 6: Final answer
x = 48,677,759.33
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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.