Home / 69,726,532.20-104,589,798.30-21,204,000.60

Finding the Fourth Proportional to 69,726,532.20, 104,589,798.30 and 21,204,000.60

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Solution

The fourth proportional to 69,726,532.20, 104,589,798.30 and 21,204,000.60 is: 31,806,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726,532.20 : 104,589,798.30 = 21,204,000.60 : x
  2. Step 2: Convert to fraction form
    69,726,532.20/104,589,798.30 = 21,204,000.60/x
  3. Step 3: Cross multiply
    69,726,532.20x = 104,589,798.30 × 21,204,000.60
  4. Step 4: Simplify right side
    69,726,532.20x = 2,217,722,145,907,079
  5. Step 5: Solve for x
    x = 2,217,722,145,907,079/69,726,532.20
  6. Step 6: Final answer
    x = 31,806,000.90

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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.