Home / 42,819,115.30-64,210,010.55-17,251,627.30

Finding the Fourth Proportional to 42,819,115.30, 64,210,010.55 and 17,251,627.30

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Solution

The fourth proportional to 42,819,115.30, 64,210,010.55 and 17,251,627.30 is: 25,869,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,819,115.30 : 64,210,010.55 = 17,251,627.30 : x
  2. Step 2: Convert to fraction form
    42,819,115.30/64,210,010.55 = 17,251,627.30/x
  3. Step 3: Cross multiply
    42,819,115.30x = 64,210,010.55 × 17,251,627.30
  4. Step 4: Simplify right side
    42,819,115.30x = 1,107,727,170,937,668
  5. Step 5: Solve for x
    x = 1,107,727,170,937,668/42,819,115.30
  6. Step 6: Final answer
    x = 25,869,921.95

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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.