Home / 262,560,101.70-393,840,152.55-126,511,205.70

Finding the Fourth Proportional to 262,560,101.70, 393,840,152.55 and 126,511,205.70

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Solution

The fourth proportional to 262,560,101.70, 393,840,152.55 and 126,511,205.70 is: 189,766,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,560,101.70 : 393,840,152.55 = 126,511,205.70 : x
  2. Step 2: Convert to fraction form
    262,560,101.70/393,840,152.55 = 126,511,205.70/x
  3. Step 3: Cross multiply
    262,560,101.70x = 393,840,152.55 × 126,511,205.70
  4. Step 4: Simplify right side
    262,560,101.70x = 49,825,192,552,172,432
  5. Step 5: Solve for x
    x = 49,825,192,552,172,432/262,560,101.70
  6. Step 6: Final answer
    x = 189,766,808.55

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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.