Home / 48,541,555.20-72,717,854.40-29,315,200.80

Finding the Fourth Proportional to 48,541,555.20, 72,717,854.40 and 29,315,200.80

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Solution

The fourth proportional to 48,541,555.20, 72,717,854.40 and 29,315,200.80 is: 43,915,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541,555.20 : 72,717,854.40 = 29,315,200.80 : x
  2. Step 2: Convert to fraction form
    48,541,555.20/72,717,854.40 = 29,315,200.80/x
  3. Step 3: Cross multiply
    48,541,555.20x = 72,717,854.40 × 29,315,200.80
  4. Step 4: Simplify right side
    48,541,555.20x = 2,131,738,503,481,163.75
  5. Step 5: Solve for x
    x = 2,131,738,503,481,163.75/48,541,555.20
  6. Step 6: Final answer
    x = 43,915,743.83

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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.