Home / 154,560,006.80-231,840,010.20-116,012,819.60

Finding the Fourth Proportional to 154,560,006.80, 231,840,010.20 and 116,012,819.60

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Solution

The fourth proportional to 154,560,006.80, 231,840,010.20 and 116,012,819.60 is: 174,019,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,560,006.80 : 231,840,010.20 = 116,012,819.60 : x
  2. Step 2: Convert to fraction form
    154,560,006.80/231,840,010.20 = 116,012,819.60/x
  3. Step 3: Cross multiply
    154,560,006.80x = 231,840,010.20 × 116,012,819.60
  4. Step 4: Simplify right side
    154,560,006.80x = 26,896,413,279,394,756
  5. Step 5: Solve for x
    x = 26,896,413,279,394,756/154,560,006.80
  6. Step 6: Final answer
    x = 174,019,229.40

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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.