Home / 81,157,082.87-121,737,396.59-48,836,022.23

Finding the Fourth Proportional to 81,157,082.87, 121,737,396.59 and 48,836,022.23

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Solution

The fourth proportional to 81,157,082.87, 121,737,396.59 and 48,836,022.23 is: 73,255,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,157,082.87 : 121,737,396.59 = 48,836,022.23 : x
  2. Step 2: Convert to fraction form
    81,157,082.87/121,737,396.59 = 48,836,022.23/x
  3. Step 3: Cross multiply
    81,157,082.87x = 121,737,396.59 × 48,836,022.23
  4. Step 4: Simplify right side
    81,157,082.87x = 5,945,170,206,091,566
  5. Step 5: Solve for x
    x = 5,945,170,206,091,566/81,157,082.87
  6. Step 6: Final answer
    x = 73,255,099.81

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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.