Home / 89,073,080.10-133,609,620.15-80,463,735.90

Finding the Fourth Proportional to 89,073,080.10, 133,609,620.15 and 80,463,735.90

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Solution

The fourth proportional to 89,073,080.10, 133,609,620.15 and 80,463,735.90 is: 120,695,603.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073,080.10 : 133,609,620.15 = 80,463,735.90 : x
  2. Step 2: Convert to fraction form
    89,073,080.10/133,609,620.15 = 80,463,735.90/x
  3. Step 3: Cross multiply
    89,073,080.10x = 133,609,620.15 × 80,463,735.90
  4. Step 4: Simplify right side
    89,073,080.10x = 10,750,729,189,448,920
  5. Step 5: Solve for x
    x = 10,750,729,189,448,920/89,073,080.10
  6. Step 6: Final answer
    x = 120,695,603.85

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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.