Home / 69,764,822.40-104,647,233.60-66,816,163.20

Finding the Fourth Proportional to 69,764,822.40, 104,647,233.60 and 66,816,163.20

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Solution

The fourth proportional to 69,764,822.40, 104,647,233.60 and 66,816,163.20 is: 100,224,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,764,822.40 : 104,647,233.60 = 66,816,163.20 : x
  2. Step 2: Convert to fraction form
    69,764,822.40/104,647,233.60 = 66,816,163.20/x
  3. Step 3: Cross multiply
    69,764,822.40x = 104,647,233.60 × 66,816,163.20
  4. Step 4: Simplify right side
    69,764,822.40x = 6,992,126,638,646,123
  5. Step 5: Solve for x
    x = 6,992,126,638,646,123/69,764,822.40
  6. Step 6: Final answer
    x = 100,224,244.80

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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.