Home / 100,642,517.38-150,946,959.40-27,866,654.69

Finding the Fourth Proportional to 100,642,517.38, 150,946,959.40 and 27,866,654.69

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Solution

The fourth proportional to 100,642,517.38, 150,946,959.40 and 27,866,654.69 is: 41,795,325.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,642,517.38 : 150,946,959.40 = 27,866,654.69 : x
  2. Step 2: Convert to fraction form
    100,642,517.38/150,946,959.40 = 27,866,654.69/x
  3. Step 3: Cross multiply
    100,642,517.38x = 150,946,959.40 × 27,866,654.69
  4. Step 4: Simplify right side
    100,642,517.38x = 4,206,386,794,105,250
  5. Step 5: Solve for x
    x = 4,206,386,794,105,250/100,642,517.38
  6. Step 6: Final answer
    x = 41,795,325.71

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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.