Home / 154,451,497.20-231,673,703.40-77,753,929.20

Finding the Fourth Proportional to 154,451,497.20, 231,673,703.40 and 77,753,929.20

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Solution

The fourth proportional to 154,451,497.20, 231,673,703.40 and 77,753,929.20 is: 116,629,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,451,497.20 : 231,673,703.40 = 77,753,929.20 : x
  2. Step 2: Convert to fraction form
    154,451,497.20/231,673,703.40 = 77,753,929.20/x
  3. Step 3: Cross multiply
    154,451,497.20x = 231,673,703.40 × 77,753,929.20
  4. Step 4: Simplify right side
    154,451,497.20x = 18,013,540,731,665,400
  5. Step 5: Solve for x
    x = 18,013,540,731,665,400/154,451,497.20
  6. Step 6: Final answer
    x = 116,629,110.49

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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.