Home / 85,115,605.27-127,691,341.32-27,603,391.96

Finding the Fourth Proportional to 85,115,605.27, 127,691,341.32 and 27,603,391.96

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Solution

The fourth proportional to 85,115,605.27, 127,691,341.32 and 27,603,391.96 is: 41,410,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,115,605.27 : 127,691,341.32 = 27,603,391.96 : x
  2. Step 2: Convert to fraction form
    85,115,605.27/127,691,341.32 = 27,603,391.96/x
  3. Step 3: Cross multiply
    85,115,605.27x = 127,691,341.32 × 27,603,391.96
  4. Step 4: Simplify right side
    85,115,605.27x = 3,524,714,144,354,103.50
  5. Step 5: Solve for x
    x = 3,524,714,144,354,103.50/85,115,605.27
  6. Step 6: Final answer
    x = 41,410,903.83

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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.