Home / 71,082,620.28-106,627,918.32-19,960,652.88

Finding the Fourth Proportional to 71,082,620.28, 106,627,918.32 and 19,960,652.88

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Solution

The fourth proportional to 71,082,620.28, 106,627,918.32 and 19,960,652.88 is: 29,942,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082,620.28 : 106,627,918.32 = 19,960,652.88 : x
  2. Step 2: Convert to fraction form
    71,082,620.28/106,627,918.32 = 19,960,652.88/x
  3. Step 3: Cross multiply
    71,082,620.28x = 106,627,918.32 × 19,960,652.88
  4. Step 4: Simplify right side
    71,082,620.28x = 2,128,362,864,902,512.50
  5. Step 5: Solve for x
    x = 2,128,362,864,902,512.50/71,082,620.28
  6. Step 6: Final answer
    x = 29,942,099.16

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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.