Home / 140,651,999.27-194,099,758.99-78,772,337.83

Finding the Fourth Proportional to 140,651,999.27, 194,099,758.99 and 78,772,337.83

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Solution

The fourth proportional to 140,651,999.27, 194,099,758.99 and 78,772,337.83 is: 108,705,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,651,999.27 : 194,099,758.99 = 78,772,337.83 : x
  2. Step 2: Convert to fraction form
    140,651,999.27/194,099,758.99 = 78,772,337.83/x
  3. Step 3: Cross multiply
    140,651,999.27x = 194,099,758.99 × 78,772,337.83
  4. Step 4: Simplify right side
    140,651,999.27x = 15,289,691,787,199,680
  5. Step 5: Solve for x
    x = 15,289,691,787,199,680/140,651,999.27
  6. Step 6: Final answer
    x = 108,705,826.20

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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.