Home / 178,733,998.20-268,101,008.10-57,565,450.20

Finding the Fourth Proportional to 178,733,998.20, 268,101,008.10 and 57,565,450.20

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Solution

The fourth proportional to 178,733,998.20, 268,101,008.10 and 57,565,450.20 is: 86,348,178.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733,998.20 : 268,101,008.10 = 57,565,450.20 : x
  2. Step 2: Convert to fraction form
    178,733,998.20/268,101,008.10 = 57,565,450.20/x
  3. Step 3: Cross multiply
    178,733,998.20x = 268,101,008.10 × 57,565,450.20
  4. Step 4: Simplify right side
    178,733,998.20x = 15,433,355,230,350,348
  5. Step 5: Solve for x
    x = 15,433,355,230,350,348/178,733,998.20
  6. Step 6: Final answer
    x = 86,348,178.78

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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.