Home / 72,581,434.20-108,872,151.30-48,394,963.80

Finding the Fourth Proportional to 72,581,434.20, 108,872,151.30 and 48,394,963.80

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Solution

The fourth proportional to 72,581,434.20, 108,872,151.30 and 48,394,963.80 is: 72,592,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,434.20 : 108,872,151.30 = 48,394,963.80 : x
  2. Step 2: Convert to fraction form
    72,581,434.20/108,872,151.30 = 48,394,963.80/x
  3. Step 3: Cross multiply
    72,581,434.20x = 108,872,151.30 × 48,394,963.80
  4. Step 4: Simplify right side
    72,581,434.20x = 5,268,863,820,991,622
  5. Step 5: Solve for x
    x = 5,268,863,820,991,622/72,581,434.20
  6. Step 6: Final answer
    x = 72,592,445.70

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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.