Home / 111,905,233-167,850,144.78-68,781,092.20

Finding the Fourth Proportional to 111,905,233, 167,850,144.78 and 68,781,092.20

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Solution

The fourth proportional to 111,905,233, 167,850,144.78 and 68,781,092.20 is: 103,166,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,905,233 : 167,850,144.78 = 68,781,092.20 : x
  2. Step 2: Convert to fraction form
    111,905,233/167,850,144.78 = 68,781,092.20/x
  3. Step 3: Cross multiply
    111,905,233x = 167,850,144.78 × 68,781,092.20
  4. Step 4: Simplify right side
    111,905,233x = 11,544,916,283,896,530
  5. Step 5: Solve for x
    x = 11,544,916,283,896,530/111,905,233
  6. Step 6: Final answer
    x = 103,166,902.69

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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.