Home / 123,564,112.38-185,340,178.56-45,856,165.55

Finding the Fourth Proportional to 123,564,112.38, 185,340,178.56 and 45,856,165.55

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Solution

The fourth proportional to 123,564,112.38, 185,340,178.56 and 45,856,165.55 is: 68,782,025.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,564,112.38 : 185,340,178.56 = 45,856,165.55 : x
  2. Step 2: Convert to fraction form
    123,564,112.38/185,340,178.56 = 45,856,165.55/x
  3. Step 3: Cross multiply
    123,564,112.38x = 185,340,178.56 × 45,856,165.55
  4. Step 4: Simplify right side
    123,564,112.38x = 8,498,989,911,113,920
  5. Step 5: Solve for x
    x = 8,498,989,911,113,920/123,564,112.38
  6. Step 6: Final answer
    x = 68,782,025.36

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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.