Home / 85,115,598.78-127,691,331.56-27,603,385.44

Finding the Fourth Proportional to 85,115,598.78, 127,691,331.56 and 27,603,385.44

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Solution

The fourth proportional to 85,115,598.78, 127,691,331.56 and 27,603,385.44 is: 41,410,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,598.78 : 127,691,331.56 = 27,603,385.44 : x
  2. Step 2: Convert to fraction form
    85,115,598.78/127,691,331.56 = 27,603,385.44/x
  3. Step 3: Cross multiply
    85,115,598.78x = 127,691,331.56 × 27,603,385.44
  4. Step 4: Simplify right side
    85,115,598.78x = 3,524,713,042,397,516.50
  5. Step 5: Solve for x
    x = 3,524,713,042,397,516.50/85,115,598.78
  6. Step 6: Final answer
    x = 41,410,894.04

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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.