Home / 307,978,414.31-462,025,540.42-123,760,495.15

Finding the Fourth Proportional to 307,978,414.31, 462,025,540.42 and 123,760,495.15

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Solution

The fourth proportional to 307,978,414.31, 462,025,540.42 and 123,760,495.15 is: 185,664,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,978,414.31 : 462,025,540.42 = 123,760,495.15 : x
  2. Step 2: Convert to fraction form
    307,978,414.31/462,025,540.42 = 123,760,495.15/x
  3. Step 3: Cross multiply
    307,978,414.31x = 462,025,540.42 × 123,760,495.15
  4. Step 4: Simplify right side
    307,978,414.31x = 57,180,509,652,861,072
  5. Step 5: Solve for x
    x = 57,180,509,652,861,072/307,978,414.31
  6. Step 6: Final answer
    x = 185,664,017.33

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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.