Home / 121,491,889.62-167,680,632.25-68,584,723.73

Finding the Fourth Proportional to 121,491,889.62, 167,680,632.25 and 68,584,723.73

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Solution

The fourth proportional to 121,491,889.62, 167,680,632.25 and 68,584,723.73 is: 94,659,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,491,889.62 : 167,680,632.25 = 68,584,723.73 : x
  2. Step 2: Convert to fraction form
    121,491,889.62/167,680,632.25 = 68,584,723.73/x
  3. Step 3: Cross multiply
    121,491,889.62x = 167,680,632.25 × 68,584,723.73
  4. Step 4: Simplify right side
    121,491,889.62x = 11,500,329,837,395,056
  5. Step 5: Solve for x
    x = 11,500,329,837,395,056/121,491,889.62
  6. Step 6: Final answer
    x = 94,659,239.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.