Home / 81,486,002.40-122,229,003.60-26,907,011.70

Finding the Fourth Proportional to 81,486,002.40, 122,229,003.60 and 26,907,011.70

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Solution

The fourth proportional to 81,486,002.40, 122,229,003.60 and 26,907,011.70 is: 40,360,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,486,002.40 : 122,229,003.60 = 26,907,011.70 : x
  2. Step 2: Convert to fraction form
    81,486,002.40/122,229,003.60 = 26,907,011.70/x
  3. Step 3: Cross multiply
    81,486,002.40x = 122,229,003.60 × 26,907,011.70
  4. Step 4: Simplify right side
    81,486,002.40x = 3,288,817,229,944,542
  5. Step 5: Solve for x
    x = 3,288,817,229,944,542/81,486,002.40
  6. Step 6: Final answer
    x = 40,360,517.55

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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.