Home / 221,231,212.80-331,846,819.20-119,194,540.80

Finding the Fourth Proportional to 221,231,212.80, 331,846,819.20 and 119,194,540.80

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Solution

The fourth proportional to 221,231,212.80, 331,846,819.20 and 119,194,540.80 is: 178,791,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,231,212.80 : 331,846,819.20 = 119,194,540.80 : x
  2. Step 2: Convert to fraction form
    221,231,212.80/331,846,819.20 = 119,194,540.80/x
  3. Step 3: Cross multiply
    221,231,212.80x = 331,846,819.20 × 119,194,540.80
  4. Step 4: Simplify right side
    221,231,212.80x = 39,554,329,230,484,624
  5. Step 5: Solve for x
    x = 39,554,329,230,484,624/221,231,212.80
  6. Step 6: Final answer
    x = 178,791,811.20

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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.