Home / 90,297,451.92-124,589,136.78-53,129,354.52

Finding the Fourth Proportional to 90,297,451.92, 124,589,136.78 and 53,129,354.52

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Solution

The fourth proportional to 90,297,451.92, 124,589,136.78 and 53,129,354.52 is: 73,305,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297,451.92 : 124,589,136.78 = 53,129,354.52 : x
  2. Step 2: Convert to fraction form
    90,297,451.92/124,589,136.78 = 53,129,354.52/x
  3. Step 3: Cross multiply
    90,297,451.92x = 124,589,136.78 × 53,129,354.52
  4. Step 4: Simplify right side
    90,297,451.92x = 6,619,340,417,325,392
  5. Step 5: Solve for x
    x = 6,619,340,417,325,392/90,297,451.92
  6. Step 6: Final answer
    x = 73,305,949.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.