Home / 263,473,315.20-394,926,537.60-99,647,769.60

Finding the Fourth Proportional to 263,473,315.20, 394,926,537.60 and 99,647,769.60

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Solution

The fourth proportional to 263,473,315.20, 394,926,537.60 and 99,647,769.60 is: 149,364,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,473,315.20 : 394,926,537.60 = 99,647,769.60 : x
  2. Step 2: Convert to fraction form
    263,473,315.20/394,926,537.60 = 99,647,769.60/x
  3. Step 3: Cross multiply
    263,473,315.20x = 394,926,537.60 × 99,647,769.60
  4. Step 4: Simplify right side
    263,473,315.20x = 39,353,548,627,690,536
  5. Step 5: Solve for x
    x = 39,353,548,627,690,536/263,473,315.20
  6. Step 6: Final answer
    x = 149,364,456.88

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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.