Home / 82,932,308.40-124,454,449.80-54,108,231.60

Finding the Fourth Proportional to 82,932,308.40, 124,454,449.80 and 54,108,231.60

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Solution

The fourth proportional to 82,932,308.40, 124,454,449.80 and 54,108,231.60 is: 81,198,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932,308.40 : 124,454,449.80 = 54,108,231.60 : x
  2. Step 2: Convert to fraction form
    82,932,308.40/124,454,449.80 = 54,108,231.60/x
  3. Step 3: Cross multiply
    82,932,308.40x = 124,454,449.80 × 54,108,231.60
  4. Step 4: Simplify right side
    82,932,308.40x = 6,734,010,193,428,974
  5. Step 5: Solve for x
    x = 6,734,010,193,428,974/82,932,308.40
  6. Step 6: Final answer
    x = 81,198,875.61

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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.