Home / 114,940,426.15-172,494,620.03-80,928,202.15

Finding the Fourth Proportional to 114,940,426.15, 172,494,620.03 and 80,928,202.15

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Solution

The fourth proportional to 114,940,426.15, 172,494,620.03 and 80,928,202.15 is: 121,451,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940,426.15 : 172,494,620.03 = 80,928,202.15 : x
  2. Step 2: Convert to fraction form
    114,940,426.15/172,494,620.03 = 80,928,202.15/x
  3. Step 3: Cross multiply
    114,940,426.15x = 172,494,620.03 × 80,928,202.15
  4. Step 4: Simplify right side
    114,940,426.15x = 13,959,679,479,170,640
  5. Step 5: Solve for x
    x = 13,959,679,479,170,640/114,940,426.15
  6. Step 6: Final answer
    x = 121,451,433.12

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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.