Finding the Fourth Proportional to 47,682,677.20, 71,524,015.80 and 44,494,031.20
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Solution
The fourth proportional to 47,682,677.20, 71,524,015.80 and 44,494,031.20 is: 66,741,046.80
Step by Step Solution
- Step 1: Write the proportion equation
47,682,677.20 : 71,524,015.80 = 44,494,031.20 : x - Step 2: Convert to fraction form
47,682,677.20/71,524,015.80 = 44,494,031.20/x - Step 3: Cross multiply
47,682,677.20x = 71,524,015.80 × 44,494,031.20 - Step 4: Simplify right side
47,682,677.20x = 3,182,391,790,554,493 - Step 5: Solve for x
x = 3,182,391,790,554,493/47,682,677.20 - Step 6: Final answer
x = 66,741,046.80
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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.