Home / 69,984,082.40-104,976,123.60-66,015,989.60

Finding the Fourth Proportional to 69,984,082.40, 104,976,123.60 and 66,015,989.60

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Solution

The fourth proportional to 69,984,082.40, 104,976,123.60 and 66,015,989.60 is: 99,023,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,082.40 : 104,976,123.60 = 66,015,989.60 : x
  2. Step 2: Convert to fraction form
    69,984,082.40/104,976,123.60 = 66,015,989.60/x
  3. Step 3: Cross multiply
    69,984,082.40x = 104,976,123.60 × 66,015,989.60
  4. Step 4: Simplify right side
    69,984,082.40x = 6,930,102,683,825,914
  5. Step 5: Solve for x
    x = 6,930,102,683,825,914/69,984,082.40
  6. Step 6: Final answer
    x = 99,023,984.40

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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.