Home / 54,568,763.80-81,864,518.10-18,188,456.20

Finding the Fourth Proportional to 54,568,763.80, 81,864,518.10 and 18,188,456.20

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Solution

The fourth proportional to 54,568,763.80, 81,864,518.10 and 18,188,456.20 is: 27,286,474.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,568,763.80 : 81,864,518.10 = 18,188,456.20 : x
  2. Step 2: Convert to fraction form
    54,568,763.80/81,864,518.10 = 18,188,456.20/x
  3. Step 3: Cross multiply
    54,568,763.80x = 81,864,518.10 × 18,188,456.20
  4. Step 4: Simplify right side
    54,568,763.80x = 1,488,989,201,795,957
  5. Step 5: Solve for x
    x = 1,488,989,201,795,957/54,568,763.80
  6. Step 6: Final answer
    x = 27,286,474.86

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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.