Home / 215,584,431.20-323,378,047.20-86,202,910.88

Finding the Fourth Proportional to 215,584,431.20, 323,378,047.20 and 86,202,910.88

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Solution

The fourth proportional to 215,584,431.20, 323,378,047.20 and 86,202,910.88 is: 129,304,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,584,431.20 : 323,378,047.20 = 86,202,910.88 : x
  2. Step 2: Convert to fraction form
    215,584,431.20/323,378,047.20 = 86,202,910.88/x
  3. Step 3: Cross multiply
    215,584,431.20x = 323,378,047.20 × 86,202,910.88
  4. Step 4: Simplify right side
    215,584,431.20x = 27,876,128,983,330,032
  5. Step 5: Solve for x
    x = 27,876,128,983,330,032/215,584,431.20
  6. Step 6: Final answer
    x = 129,304,926.28

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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.