Home / 154,451,501.20-231,673,709.40-77,753,933.20

Finding the Fourth Proportional to 154,451,501.20, 231,673,709.40 and 77,753,933.20

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Solution

The fourth proportional to 154,451,501.20, 231,673,709.40 and 77,753,933.20 is: 116,629,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,451,501.20 : 231,673,709.40 = 77,753,933.20 : x
  2. Step 2: Convert to fraction form
    154,451,501.20/231,673,709.40 = 77,753,933.20/x
  3. Step 3: Cross multiply
    154,451,501.20x = 231,673,709.40 × 77,753,933.20
  4. Step 4: Simplify right side
    154,451,501.20x = 18,013,542,124,883,814
  5. Step 5: Solve for x
    x = 18,013,542,124,883,814/154,451,501.20
  6. Step 6: Final answer
    x = 116,629,116.49

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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.