Home / 85,297,432.44-127,945,993.14-27,789,635.64

Finding the Fourth Proportional to 85,297,432.44, 127,945,993.14 and 27,789,635.64

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Solution

The fourth proportional to 85,297,432.44, 127,945,993.14 and 27,789,635.64 is: 41,684,402.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297,432.44 : 127,945,993.14 = 27,789,635.64 : x
  2. Step 2: Convert to fraction form
    85,297,432.44/127,945,993.14 = 27,789,635.64/x
  3. Step 3: Cross multiply
    85,297,432.44x = 127,945,993.14 × 27,789,635.64
  4. Step 4: Simplify right side
    85,297,432.44x = 3,555,572,530,958,539.50
  5. Step 5: Solve for x
    x = 3,555,572,530,958,539.50/85,297,432.44
  6. Step 6: Final answer
    x = 41,684,402.79

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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.