Home / 42,297,894.90-63,448,221.87-20,135,229.30

Finding the Fourth Proportional to 42,297,894.90, 63,448,221.87 and 20,135,229.30

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Solution

The fourth proportional to 42,297,894.90, 63,448,221.87 and 20,135,229.30 is: 30,203,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,297,894.90 : 63,448,221.87 = 20,135,229.30 : x
  2. Step 2: Convert to fraction form
    42,297,894.90/63,448,221.87 = 20,135,229.30/x
  3. Step 3: Cross multiply
    42,297,894.90x = 63,448,221.87 × 20,135,229.30
  4. Step 4: Simplify right side
    42,297,894.90x = 1,277,544,496,029,724.75
  5. Step 5: Solve for x
    x = 1,277,544,496,029,724.75/42,297,894.90
  6. Step 6: Final answer
    x = 30,203,500.65

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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.