Home / 181,715,912.20-272,573,868.30-84,639,356.20

Finding the Fourth Proportional to 181,715,912.20, 272,573,868.30 and 84,639,356.20

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Solution

The fourth proportional to 181,715,912.20, 272,573,868.30 and 84,639,356.20 is: 126,959,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,715,912.20 : 272,573,868.30 = 84,639,356.20 : x
  2. Step 2: Convert to fraction form
    181,715,912.20/272,573,868.30 = 84,639,356.20/x
  3. Step 3: Cross multiply
    181,715,912.20x = 272,573,868.30 × 84,639,356.20
  4. Step 4: Simplify right side
    181,715,912.20x = 23,070,476,729,855,592
  5. Step 5: Solve for x
    x = 23,070,476,729,855,592/181,715,912.20
  6. Step 6: Final answer
    x = 126,959,034.30

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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.