Home / 67,178,382.98-100,682,363.94-30,250,872.86

Finding the Fourth Proportional to 67,178,382.98, 100,682,363.94 and 30,250,872.86

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Solution

The fourth proportional to 67,178,382.98, 100,682,363.94 and 30,250,872.86 is: 45,337,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,178,382.98 : 100,682,363.94 = 30,250,872.86 : x
  2. Step 2: Convert to fraction form
    67,178,382.98/100,682,363.94 = 30,250,872.86/x
  3. Step 3: Cross multiply
    67,178,382.98x = 100,682,363.94 × 30,250,872.86
  4. Step 4: Simplify right side
    67,178,382.98x = 3,045,729,390,793,188.50
  5. Step 5: Solve for x
    x = 3,045,729,390,793,188.50/67,178,382.98
  6. Step 6: Final answer
    x = 45,337,938.42

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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.