Home / 78,301,921.82-117,474,872.82-22,971,062.39

Finding the Fourth Proportional to 78,301,921.82, 117,474,872.82 and 22,971,062.39

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Solution

The fourth proportional to 78,301,921.82, 117,474,872.82 and 22,971,062.39 is: 34,463,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,301,921.82 : 117,474,872.82 = 22,971,062.39 : x
  2. Step 2: Convert to fraction form
    78,301,921.82/117,474,872.82 = 22,971,062.39/x
  3. Step 3: Cross multiply
    78,301,921.82x = 117,474,872.82 × 22,971,062.39
  4. Step 4: Simplify right side
    78,301,921.82x = 2,698,522,632,690,680
  5. Step 5: Solve for x
    x = 2,698,522,632,690,680/78,301,921.82
  6. Step 6: Final answer
    x = 34,463,044.71

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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.