Home / 42,156,657.20-63,234,985.80-25,150,545.20

Finding the Fourth Proportional to 42,156,657.20, 63,234,985.80 and 25,150,545.20

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Solution

The fourth proportional to 42,156,657.20, 63,234,985.80 and 25,150,545.20 is: 37,725,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,156,657.20 : 63,234,985.80 = 25,150,545.20 : x
  2. Step 2: Convert to fraction form
    42,156,657.20/63,234,985.80 = 25,150,545.20/x
  3. Step 3: Cross multiply
    42,156,657.20x = 63,234,985.80 × 25,150,545.20
  4. Step 4: Simplify right side
    42,156,657.20x = 1,590,394,368,584,258
  5. Step 5: Solve for x
    x = 1,590,394,368,584,258/42,156,657.20
  6. Step 6: Final answer
    x = 37,725,817.80

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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.