Home / 91,422,604.32-126,156,983.04-50,172,153.84

Finding the Fourth Proportional to 91,422,604.32, 126,156,983.04 and 50,172,153.84

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Solution

The fourth proportional to 91,422,604.32, 126,156,983.04 and 50,172,153.84 is: 69,234,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422,604.32 : 126,156,983.04 = 50,172,153.84 : x
  2. Step 2: Convert to fraction form
    91,422,604.32/126,156,983.04 = 50,172,153.84/x
  3. Step 3: Cross multiply
    91,422,604.32x = 126,156,983.04 × 50,172,153.84
  4. Step 4: Simplify right side
    91,422,604.32x = 6,329,567,561,073,152
  5. Step 5: Solve for x
    x = 6,329,567,561,073,152/91,422,604.32
  6. Step 6: Final answer
    x = 69,234,163.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.