Home / 269,568,086.40-404,352,129.60-87,812,899.20

Finding the Fourth Proportional to 269,568,086.40, 404,352,129.60 and 87,812,899.20

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Solution

The fourth proportional to 269,568,086.40, 404,352,129.60 and 87,812,899.20 is: 131,719,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,086.40 : 404,352,129.60 = 87,812,899.20 : x
  2. Step 2: Convert to fraction form
    269,568,086.40/404,352,129.60 = 87,812,899.20/x
  3. Step 3: Cross multiply
    269,568,086.40x = 404,352,129.60 × 87,812,899.20
  4. Step 4: Simplify right side
    269,568,086.40x = 35,507,332,797,870,140
  5. Step 5: Solve for x
    x = 35,507,332,797,870,140/269,568,086.40
  6. Step 6: Final answer
    x = 131,719,348.80

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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.