Home / 89,667,104.10-134,500,656.15-81,589,200.90

Finding the Fourth Proportional to 89,667,104.10, 134,500,656.15 and 81,589,200.90

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Solution

The fourth proportional to 89,667,104.10, 134,500,656.15 and 81,589,200.90 is: 122,383,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,667,104.10 : 134,500,656.15 = 81,589,200.90 : x
  2. Step 2: Convert to fraction form
    89,667,104.10/134,500,656.15 = 81,589,200.90/x
  3. Step 3: Cross multiply
    89,667,104.10x = 134,500,656.15 × 81,589,200.90
  4. Step 4: Simplify right side
    89,667,104.10x = 10,973,801,055,804,172
  5. Step 5: Solve for x
    x = 10,973,801,055,804,172/89,667,104.10
  6. Step 6: Final answer
    x = 122,383,801.35

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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.