Home / 117,517,735.82-162,003,553.49-82,125,658.34

Finding the Fourth Proportional to 117,517,735.82, 162,003,553.49 and 82,125,658.34

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Solution

The fourth proportional to 117,517,735.82, 162,003,553.49 and 82,125,658.34 is: 113,213,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,517,735.82 : 162,003,553.49 = 82,125,658.34 : x
  2. Step 2: Convert to fraction form
    117,517,735.82/162,003,553.49 = 82,125,658.34/x
  3. Step 3: Cross multiply
    117,517,735.82x = 162,003,553.49 × 82,125,658.34
  4. Step 4: Simplify right side
    117,517,735.82x = 13,304,648,483,785,656
  5. Step 5: Solve for x
    x = 13,304,648,483,785,656/117,517,735.82
  6. Step 6: Final answer
    x = 113,213,962.05

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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.