Home / 82,825,380.72-124,238,391.84-25,317,428.40

Finding the Fourth Proportional to 82,825,380.72, 124,238,391.84 and 25,317,428.40

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Solution

The fourth proportional to 82,825,380.72, 124,238,391.84 and 25,317,428.40 is: 37,976,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,825,380.72 : 124,238,391.84 = 25,317,428.40 : x
  2. Step 2: Convert to fraction form
    82,825,380.72/124,238,391.84 = 25,317,428.40/x
  3. Step 3: Cross multiply
    82,825,380.72x = 124,238,391.84 × 25,317,428.40
  4. Step 4: Simplify right side
    82,825,380.72x = 3,145,396,589,940,344
  5. Step 5: Solve for x
    x = 3,145,396,589,940,344/82,825,380.72
  6. Step 6: Final answer
    x = 37,976,240.65

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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.