Home / 85,115,604.78-127,691,340.58-27,603,391.46

Finding the Fourth Proportional to 85,115,604.78, 127,691,340.58 and 27,603,391.46

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Solution

The fourth proportional to 85,115,604.78, 127,691,340.58 and 27,603,391.46 is: 41,410,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,604.78 : 127,691,340.58 = 27,603,391.46 : x
  2. Step 2: Convert to fraction form
    85,115,604.78/127,691,340.58 = 27,603,391.46/x
  3. Step 3: Cross multiply
    85,115,604.78x = 127,691,340.58 × 27,603,391.46
  4. Step 4: Simplify right side
    85,115,604.78x = 3,524,714,060,081,923.50
  5. Step 5: Solve for x
    x = 3,524,714,060,081,923.50/85,115,604.78
  6. Step 6: Final answer
    x = 41,410,903.08

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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.