Home / 73,343,872.20-110,015,808.30-47,515,839.60

Finding the Fourth Proportional to 73,343,872.20, 110,015,808.30 and 47,515,839.60

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Solution

The fourth proportional to 73,343,872.20, 110,015,808.30 and 47,515,839.60 is: 71,273,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,343,872.20 : 110,015,808.30 = 47,515,839.60 : x
  2. Step 2: Convert to fraction form
    73,343,872.20/110,015,808.30 = 47,515,839.60/x
  3. Step 3: Cross multiply
    73,343,872.20x = 110,015,808.30 × 47,515,839.60
  4. Step 4: Simplify right side
    73,343,872.20x = 5,227,493,500,647,149
  5. Step 5: Solve for x
    x = 5,227,493,500,647,149/73,343,872.20
  6. Step 6: Final answer
    x = 71,273,759.40

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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.