Home / 80,259,858.32-120,360,257.85-27,724,160.11

Finding the Fourth Proportional to 80,259,858.32, 120,360,257.85 and 27,724,160.11

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Solution

The fourth proportional to 80,259,858.32, 120,360,257.85 and 27,724,160.11 is: 41,576,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,259,858.32 : 120,360,257.85 = 27,724,160.11 : x
  2. Step 2: Convert to fraction form
    80,259,858.32/120,360,257.85 = 27,724,160.11/x
  3. Step 3: Cross multiply
    80,259,858.32x = 120,360,257.85 × 27,724,160.11
  4. Step 4: Simplify right side
    80,259,858.32x = 3,336,887,058,773,862.50
  5. Step 5: Solve for x
    x = 3,336,887,058,773,862.50/80,259,858.32
  6. Step 6: Final answer
    x = 41,576,039.74

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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.