Home / 90,101,709.10-135,165,125.85-27,858,104.83

Finding the Fourth Proportional to 90,101,709.10, 135,165,125.85 and 27,858,104.83

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Solution

The fourth proportional to 90,101,709.10, 135,165,125.85 and 27,858,104.83 is: 41,791,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,101,709.10 : 135,165,125.85 = 27,858,104.83 : x
  2. Step 2: Convert to fraction form
    90,101,709.10/135,165,125.85 = 27,858,104.83/x
  3. Step 3: Cross multiply
    90,101,709.10x = 135,165,125.85 × 27,858,104.83
  4. Step 4: Simplify right side
    90,101,709.10x = 3,765,444,245,289,442.50
  5. Step 5: Solve for x
    x = 3,765,444,245,289,442.50/90,101,709.10
  6. Step 6: Final answer
    x = 41,791,041.29

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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.