Home / 61,542,942.40-92,202,439.20-50,121,553.60

Finding the Fourth Proportional to 61,542,942.40, 92,202,439.20 and 50,121,553.60

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Solution

The fourth proportional to 61,542,942.40, 92,202,439.20 and 50,121,553.60 is: 75,091,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,542,942.40 : 92,202,439.20 = 50,121,553.60 : x
  2. Step 2: Convert to fraction form
    61,542,942.40/92,202,439.20 = 50,121,553.60/x
  3. Step 3: Cross multiply
    61,542,942.40x = 92,202,439.20 × 50,121,553.60
  4. Step 4: Simplify right side
    61,542,942.40x = 4,621,329,498,413,541
  5. Step 5: Solve for x
    x = 4,621,329,498,413,541/61,542,942.40
  6. Step 6: Final answer
    x = 75,091,136.66

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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.