Home / 71,082,622.28-106,627,921.32-19,960,654.88

Finding the Fourth Proportional to 71,082,622.28, 106,627,921.32 and 19,960,654.88

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Solution

The fourth proportional to 71,082,622.28, 106,627,921.32 and 19,960,654.88 is: 29,942,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,622.28 : 106,627,921.32 = 19,960,654.88 : x
  2. Step 2: Convert to fraction form
    71,082,622.28/106,627,921.32 = 19,960,654.88/x
  3. Step 3: Cross multiply
    71,082,622.28x = 106,627,921.32 × 19,960,654.88
  4. Step 4: Simplify right side
    71,082,622.28x = 2,128,363,138,040,313.75
  5. Step 5: Solve for x
    x = 2,128,363,138,040,313.75/71,082,622.28
  6. Step 6: Final answer
    x = 29,942,102.16

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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.