Home / 69,863,136.20-104,794,704.30-31,543,008.20

Finding the Fourth Proportional to 69,863,136.20, 104,794,704.30 and 31,543,008.20

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Solution

The fourth proportional to 69,863,136.20, 104,794,704.30 and 31,543,008.20 is: 47,314,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,863,136.20 : 104,794,704.30 = 31,543,008.20 : x
  2. Step 2: Convert to fraction form
    69,863,136.20/104,794,704.30 = 31,543,008.20/x
  3. Step 3: Cross multiply
    69,863,136.20x = 104,794,704.30 × 31,543,008.20
  4. Step 4: Simplify right side
    69,863,136.20x = 3,305,540,217,051,475
  5. Step 5: Solve for x
    x = 3,305,540,217,051,475/69,863,136.20
  6. Step 6: Final answer
    x = 47,314,512.30

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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.