Home / 42,590,103.20-63,885,154.80-25,542,000.80

Finding the Fourth Proportional to 42,590,103.20, 63,885,154.80 and 25,542,000.80

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Solution

The fourth proportional to 42,590,103.20, 63,885,154.80 and 25,542,000.80 is: 38,313,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590,103.20 : 63,885,154.80 = 25,542,000.80 : x
  2. Step 2: Convert to fraction form
    42,590,103.20/63,885,154.80 = 25,542,000.80/x
  3. Step 3: Cross multiply
    42,590,103.20x = 63,885,154.80 × 25,542,000.80
  4. Step 4: Simplify right side
    42,590,103.20x = 1,631,754,675,009,723.75
  5. Step 5: Solve for x
    x = 1,631,754,675,009,723.75/42,590,103.20
  6. Step 6: Final answer
    x = 38,313,001.20

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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.