Home / 71,568,019.20-107,352,028.80-17,715,331.20

Finding the Fourth Proportional to 71,568,019.20, 107,352,028.80 and 17,715,331.20

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Solution

The fourth proportional to 71,568,019.20, 107,352,028.80 and 17,715,331.20 is: 26,572,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568,019.20 : 107,352,028.80 = 17,715,331.20 : x
  2. Step 2: Convert to fraction form
    71,568,019.20/107,352,028.80 = 17,715,331.20/x
  3. Step 3: Cross multiply
    71,568,019.20x = 107,352,028.80 × 17,715,331.20
  4. Step 4: Simplify right side
    71,568,019.20x = 1,901,776,745,183,938.50
  5. Step 5: Solve for x
    x = 1,901,776,745,183,938.50/71,568,019.20
  6. Step 6: Final answer
    x = 26,572,996.80

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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.