Home / 203,358,704.72-305,040,185.76-80,566,907

Finding the Fourth Proportional to 203,358,704.72, 305,040,185.76 and 80,566,907

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Solution

The fourth proportional to 203,358,704.72, 305,040,185.76 and 80,566,907 is: 120,851,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,358,704.72 : 305,040,185.76 = 80,566,907 : x
  2. Step 2: Convert to fraction form
    203,358,704.72/305,040,185.76 = 80,566,907/x
  3. Step 3: Cross multiply
    203,358,704.72x = 305,040,185.76 × 80,566,907
  4. Step 4: Simplify right side
    203,358,704.72x = 24,576,144,277,388,644
  5. Step 5: Solve for x
    x = 24,576,144,277,388,644/203,358,704.72
  6. Step 6: Final answer
    x = 120,851,203.84

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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.