Home / 121,195,085.67-167,250,280.41-68,987,478.20

Finding the Fourth Proportional to 121,195,085.67, 167,250,280.41 and 68,987,478.20

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Solution

The fourth proportional to 121,195,085.67, 167,250,280.41 and 68,987,478.20 is: 95,203,324.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,195,085.67 : 167,250,280.41 = 68,987,478.20 : x
  2. Step 2: Convert to fraction form
    121,195,085.67/167,250,280.41 = 68,987,478.20/x
  3. Step 3: Cross multiply
    121,195,085.67x = 167,250,280.41 × 68,987,478.20
  4. Step 4: Simplify right side
    121,195,085.67x = 11,538,175,072,892,510
  5. Step 5: Solve for x
    x = 11,538,175,072,892,510/121,195,085.67
  6. Step 6: Final answer
    x = 95,203,324.53

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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.