Home / 269,568,087.40-404,352,131.10-87,812,900.20

Finding the Fourth Proportional to 269,568,087.40, 404,352,131.10 and 87,812,900.20

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Solution

The fourth proportional to 269,568,087.40, 404,352,131.10 and 87,812,900.20 is: 131,719,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,568,087.40 : 404,352,131.10 = 87,812,900.20 : x
  2. Step 2: Convert to fraction form
    269,568,087.40/404,352,131.10 = 87,812,900.20/x
  3. Step 3: Cross multiply
    269,568,087.40x = 404,352,131.10 × 87,812,900.20
  4. Step 4: Simplify right side
    269,568,087.40x = 35,507,333,333,941,620
  5. Step 5: Solve for x
    x = 35,507,333,333,941,620/269,568,087.40
  6. Step 6: Final answer
    x = 131,719,350.30

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1.5x scale

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.