Home / 54,137,839.20-81,206,758.80-25,440,025.20

Finding the Fourth Proportional to 54,137,839.20, 81,206,758.80 and 25,440,025.20

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Solution

The fourth proportional to 54,137,839.20, 81,206,758.80 and 25,440,025.20 is: 38,160,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137,839.20 : 81,206,758.80 = 25,440,025.20 : x
  2. Step 2: Convert to fraction form
    54,137,839.20/81,206,758.80 = 25,440,025.20/x
  3. Step 3: Cross multiply
    54,137,839.20x = 81,206,758.80 × 25,440,025.20
  4. Step 4: Simplify right side
    54,137,839.20x = 2,065,901,990,282,321.50
  5. Step 5: Solve for x
    x = 2,065,901,990,282,321.50/54,137,839.20
  6. Step 6: Final answer
    x = 38,160,037.80

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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.