Finding the Fourth Proportional to 71,614,884.99, 107,208,214.77 and 43,861,415.56
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Solution
The fourth proportional to 71,614,884.99, 107,208,214.77 and 43,861,415.56 is: 65,660,987.38
Step by Step Solution
- Step 1: Write the proportion equation
71,614,884.99 : 107,208,214.77 = 43,861,415.56 : x - Step 2: Convert to fraction form
71,614,884.99/107,208,214.77 = 43,861,415.56/x - Step 3: Cross multiply
71,614,884.99x = 107,208,214.77 × 43,861,415.56 - Step 4: Simplify right side
71,614,884.99x = 4,702,304,059,472,700 - Step 5: Solve for x
x = 4,702,304,059,472,700/71,614,884.99 - Step 6: Final answer
x = 65,660,987.38
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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.