Home / 186,940,745.82-280,160,463.33-145,491,669.36

Finding the Fourth Proportional to 186,940,745.82, 280,160,463.33 and 145,491,669.36

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Solution

The fourth proportional to 186,940,745.82, 280,160,463.33 and 145,491,669.36 is: 218,042,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,940,745.82 : 280,160,463.33 = 145,491,669.36 : x
  2. Step 2: Convert to fraction form
    186,940,745.82/280,160,463.33 = 145,491,669.36/x
  3. Step 3: Cross multiply
    186,940,745.82x = 280,160,463.33 × 145,491,669.36
  4. Step 4: Simplify right side
    186,940,745.82x = 40,761,013,498,552,768
  5. Step 5: Solve for x
    x = 40,761,013,498,552,768/186,940,745.82
  6. Step 6: Final answer
    x = 218,042,424.73

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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.