Home / 178,946,113.58-268,416,469.34-80,508,306.64

Finding the Fourth Proportional to 178,946,113.58, 268,416,469.34 and 80,508,306.64

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Solution

The fourth proportional to 178,946,113.58, 268,416,469.34 and 80,508,306.64 is: 120,761,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,946,113.58 : 268,416,469.34 = 80,508,306.64 : x
  2. Step 2: Convert to fraction form
    178,946,113.58/268,416,469.34 = 80,508,306.64/x
  3. Step 3: Cross multiply
    178,946,113.58x = 268,416,469.34 × 80,508,306.64
  4. Step 4: Simplify right side
    178,946,113.58x = 21,609,755,420,850,880
  5. Step 5: Solve for x
    x = 21,609,755,420,850,880/178,946,113.58
  6. Step 6: Final answer
    x = 120,761,244.76

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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.