Home / 111,979,840.20-167,944,553.10-40,176,256.20

Finding the Fourth Proportional to 111,979,840.20, 167,944,553.10 and 40,176,256.20

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Solution

The fourth proportional to 111,979,840.20, 167,944,553.10 and 40,176,256.20 is: 60,255,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,979,840.20 : 167,944,553.10 = 40,176,256.20 : x
  2. Step 2: Convert to fraction form
    111,979,840.20/167,944,553.10 = 40,176,256.20/x
  3. Step 3: Cross multiply
    111,979,840.20x = 167,944,553.10 × 40,176,256.20
  4. Step 4: Simplify right side
    111,979,840.20x = 6,747,383,392,740,104
  5. Step 5: Solve for x
    x = 6,747,383,392,740,104/111,979,840.20
  6. Step 6: Final answer
    x = 60,255,340.43

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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.