Home / 111,471,212.20-167,206,818.30-85,962,044.20

Finding the Fourth Proportional to 111,471,212.20, 167,206,818.30 and 85,962,044.20

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Solution

The fourth proportional to 111,471,212.20, 167,206,818.30 and 85,962,044.20 is: 128,943,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,471,212.20 : 167,206,818.30 = 85,962,044.20 : x
  2. Step 2: Convert to fraction form
    111,471,212.20/167,206,818.30 = 85,962,044.20/x
  3. Step 3: Cross multiply
    111,471,212.20x = 167,206,818.30 × 85,962,044.20
  4. Step 4: Simplify right side
    111,471,212.20x = 14,373,439,905,245,970
  5. Step 5: Solve for x
    x = 14,373,439,905,245,970/111,471,212.20
  6. Step 6: Final answer
    x = 128,943,066.30

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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.