Home / 49,172,022.20-73,758,033.30-20,801,487.80

Finding the Fourth Proportional to 49,172,022.20, 73,758,033.30 and 20,801,487.80

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Solution

The fourth proportional to 49,172,022.20, 73,758,033.30 and 20,801,487.80 is: 31,202,231.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172,022.20 : 73,758,033.30 = 20,801,487.80 : x
  2. Step 2: Convert to fraction form
    49,172,022.20/73,758,033.30 = 20,801,487.80/x
  3. Step 3: Cross multiply
    49,172,022.20x = 73,758,033.30 × 20,801,487.80
  4. Step 4: Simplify right side
    49,172,022.20x = 1,534,276,829,841,943.75
  5. Step 5: Solve for x
    x = 1,534,276,829,841,943.75/49,172,022.20
  6. Step 6: Final answer
    x = 31,202,231.70

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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.