Home / 49,172,363.20-73,758,544.80-20,801,828.80

Finding the Fourth Proportional to 49,172,363.20, 73,758,544.80 and 20,801,828.80

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Solution

The fourth proportional to 49,172,363.20, 73,758,544.80 and 20,801,828.80 is: 31,202,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172,363.20 : 73,758,544.80 = 20,801,828.80 : x
  2. Step 2: Convert to fraction form
    49,172,363.20/73,758,544.80 = 20,801,828.80/x
  3. Step 3: Cross multiply
    49,172,363.20x = 73,758,544.80 × 20,801,828.80
  4. Step 4: Simplify right side
    49,172,363.20x = 1,534,312,621,466,730.25
  5. Step 5: Solve for x
    x = 1,534,312,621,466,730.25/49,172,363.20
  6. Step 6: Final answer
    x = 31,202,743.20

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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.