Home / 156,288,002.30-234,432,003.45-79,846,811.90

Finding the Fourth Proportional to 156,288,002.30, 234,432,003.45 and 79,846,811.90

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Solution

The fourth proportional to 156,288,002.30, 234,432,003.45 and 79,846,811.90 is: 119,770,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288,002.30 : 234,432,003.45 = 79,846,811.90 : x
  2. Step 2: Convert to fraction form
    156,288,002.30/234,432,003.45 = 79,846,811.90/x
  3. Step 3: Cross multiply
    156,288,002.30x = 234,432,003.45 × 79,846,811.90
  4. Step 4: Simplify right side
    156,288,002.30x = 18,718,648,082,812,300
  5. Step 5: Solve for x
    x = 18,718,648,082,812,300/156,288,002.30
  6. Step 6: Final answer
    x = 119,770,217.85

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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.