Home / 83,120,007.20-124,691,820.60-25,606,281.20

Finding the Fourth Proportional to 83,120,007.20, 124,691,820.60 and 25,606,281.20

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Solution

The fourth proportional to 83,120,007.20, 124,691,820.60 and 25,606,281.20 is: 38,413,059.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120,007.20 : 124,691,820.60 = 25,606,281.20 : x
  2. Step 2: Convert to fraction form
    83,120,007.20/124,691,820.60 = 25,606,281.20/x
  3. Step 3: Cross multiply
    83,120,007.20x = 124,691,820.60 × 25,606,281.20
  4. Step 4: Simplify right side
    83,120,007.20x = 3,192,893,821,623,552.50
  5. Step 5: Solve for x
    x = 3,192,893,821,623,552.50/83,120,007.20
  6. Step 6: Final answer
    x = 38,413,059.97

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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.