Home / 81,940,039.20-122,894,312.40-24,434,186.40

Finding the Fourth Proportional to 81,940,039.20, 122,894,312.40 and 24,434,186.40

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Solution

The fourth proportional to 81,940,039.20, 122,894,312.40 and 24,434,186.40 is: 36,646,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,940,039.20 : 122,894,312.40 = 24,434,186.40 : x
  2. Step 2: Convert to fraction form
    81,940,039.20/122,894,312.40 = 24,434,186.40/x
  3. Step 3: Cross multiply
    81,940,039.20x = 122,894,312.40 × 24,434,186.40
  4. Step 4: Simplify right side
    81,940,039.20x = 3,002,822,536,681,431.50
  5. Step 5: Solve for x
    x = 3,002,822,536,681,431.50/81,940,039.20
  6. Step 6: Final answer
    x = 36,646,584.09

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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.