Home / 42,174,012.20-63,135,047.10-25,125,909.80

Finding the Fourth Proportional to 42,174,012.20, 63,135,047.10 and 25,125,909.80

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Solution

The fourth proportional to 42,174,012.20, 63,135,047.10 and 25,125,909.80 is: 37,613,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,174,012.20 : 63,135,047.10 = 25,125,909.80 : x
  2. Step 2: Convert to fraction form
    42,174,012.20/63,135,047.10 = 25,125,909.80/x
  3. Step 3: Cross multiply
    42,174,012.20x = 63,135,047.10 × 25,125,909.80
  4. Step 4: Simplify right side
    42,174,012.20x = 1,586,325,498,653,351.75
  5. Step 5: Solve for x
    x = 1,586,325,498,653,351.75/42,174,012.20
  6. Step 6: Final answer
    x = 37,613,815.14

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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.