Home / 86,979,042.19-130,468,600.24-25,568,205.21

Finding the Fourth Proportional to 86,979,042.19, 130,468,600.24 and 25,568,205.21

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Solution

The fourth proportional to 86,979,042.19, 130,468,600.24 and 25,568,205.21 is: 38,352,318.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,979,042.19 : 130,468,600.24 = 25,568,205.21 : x
  2. Step 2: Convert to fraction form
    86,979,042.19/130,468,600.24 = 25,568,205.21/x
  3. Step 3: Cross multiply
    86,979,042.19x = 130,468,600.24 × 25,568,205.21
  4. Step 4: Simplify right side
    86,979,042.19x = 3,335,847,944,397,775
  5. Step 5: Solve for x
    x = 3,335,847,944,397,775/86,979,042.19
  6. Step 6: Final answer
    x = 38,352,318.68

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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.