Home / 42,149,042.30-63,227,900.43-15,909,979.02

Finding the Fourth Proportional to 42,149,042.30, 63,227,900.43 and 15,909,979.02

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Solution

The fourth proportional to 42,149,042.30, 63,227,900.43 and 15,909,979.02 is: 23,866,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,149,042.30 : 63,227,900.43 = 15,909,979.02 : x
  2. Step 2: Convert to fraction form
    42,149,042.30/63,227,900.43 = 15,909,979.02/x
  3. Step 3: Cross multiply
    42,149,042.30x = 63,227,900.43 × 15,909,979.02
  4. Step 4: Simplify right side
    42,149,042.30x = 1,005,954,569,319,949
  5. Step 5: Solve for x
    x = 1,005,954,569,319,949/42,149,042.30
  6. Step 6: Final answer
    x = 23,866,605.61

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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.