Home / 69,984,608.20-104,976,912.30-21,462,076.60

Finding the Fourth Proportional to 69,984,608.20, 104,976,912.30 and 21,462,076.60

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Solution

The fourth proportional to 69,984,608.20, 104,976,912.30 and 21,462,076.60 is: 32,193,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,608.20 : 104,976,912.30 = 21,462,076.60 : x
  2. Step 2: Convert to fraction form
    69,984,608.20/104,976,912.30 = 21,462,076.60/x
  3. Step 3: Cross multiply
    69,984,608.20x = 104,976,912.30 × 21,462,076.60
  4. Step 4: Simplify right side
    69,984,608.20x = 2,253,022,533,014,082.50
  5. Step 5: Solve for x
    x = 2,253,022,533,014,082.50/69,984,608.20
  6. Step 6: Final answer
    x = 32,193,114.90

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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.