Home / 81,648,002.60-122,472,003.90-24,135,151.40

Finding the Fourth Proportional to 81,648,002.60, 122,472,003.90 and 24,135,151.40

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Solution

The fourth proportional to 81,648,002.60, 122,472,003.90 and 24,135,151.40 is: 36,202,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,648,002.60 : 122,472,003.90 = 24,135,151.40 : x
  2. Step 2: Convert to fraction form
    81,648,002.60/122,472,003.90 = 24,135,151.40/x
  3. Step 3: Cross multiply
    81,648,002.60x = 122,472,003.90 × 24,135,151.40
  4. Step 4: Simplify right side
    81,648,002.60x = 2,955,880,356,387,890.50
  5. Step 5: Solve for x
    x = 2,955,880,356,387,890.50/81,648,002.60
  6. Step 6: Final answer
    x = 36,202,727.10

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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.