Home / 80,741,151.20-120,967,384.80-49,134,627.20

Finding the Fourth Proportional to 80,741,151.20, 120,967,384.80 and 49,134,627.20

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Solution

The fourth proportional to 80,741,151.20, 120,967,384.80 and 49,134,627.20 is: 73,614,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741,151.20 : 120,967,384.80 = 49,134,627.20 : x
  2. Step 2: Convert to fraction form
    80,741,151.20/120,967,384.80 = 49,134,627.20/x
  3. Step 3: Cross multiply
    80,741,151.20x = 120,967,384.80 × 49,134,627.20
  4. Step 4: Simplify right side
    80,741,151.20x = 5,943,687,355,506,947
  5. Step 5: Solve for x
    x = 5,943,687,355,506,947/80,741,151.20
  6. Step 6: Final answer
    x = 73,614,102.19

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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.