Home / 268,780,123.80-403,170,185.70-132,731,227.80

Finding the Fourth Proportional to 268,780,123.80, 403,170,185.70 and 132,731,227.80

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Solution

The fourth proportional to 268,780,123.80, 403,170,185.70 and 132,731,227.80 is: 199,096,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,780,123.80 : 403,170,185.70 = 132,731,227.80 : x
  2. Step 2: Convert to fraction form
    268,780,123.80/403,170,185.70 = 132,731,227.80/x
  3. Step 3: Cross multiply
    268,780,123.80x = 403,170,185.70 × 132,731,227.80
  4. Step 4: Simplify right side
    268,780,123.80x = 53,513,273,760,315,000
  5. Step 5: Solve for x
    x = 53,513,273,760,315,000/268,780,123.80
  6. Step 6: Final answer
    x = 199,096,841.70

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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.