Home / 262,560,100.20-393,840,150.30-126,511,204.20

Finding the Fourth Proportional to 262,560,100.20, 393,840,150.30 and 126,511,204.20

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Solution

The fourth proportional to 262,560,100.20, 393,840,150.30 and 126,511,204.20 is: 189,766,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,560,100.20 : 393,840,150.30 = 126,511,204.20 : x
  2. Step 2: Convert to fraction form
    262,560,100.20/393,840,150.30 = 126,511,204.20/x
  3. Step 3: Cross multiply
    262,560,100.20x = 393,840,150.30 × 126,511,204.20
  4. Step 4: Simplify right side
    262,560,100.20x = 49,825,191,676,761,992
  5. Step 5: Solve for x
    x = 49,825,191,676,761,992/262,560,100.20
  6. Step 6: Final answer
    x = 189,766,806.30

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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.