Home / 81,469,371.25-122,050,278.63-48,133,114.64

Finding the Fourth Proportional to 81,469,371.25, 122,050,278.63 and 48,133,114.64

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Solution

The fourth proportional to 81,469,371.25, 122,050,278.63 and 48,133,114.64 is: 72,108,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,469,371.25 : 122,050,278.63 = 48,133,114.64 : x
  2. Step 2: Convert to fraction form
    81,469,371.25/122,050,278.63 = 48,133,114.64/x
  3. Step 3: Cross multiply
    81,469,371.25x = 122,050,278.63 × 48,133,114.64
  4. Step 4: Simplify right side
    81,469,371.25x = 5,874,660,052,485,682
  5. Step 5: Solve for x
    x = 5,874,660,052,485,682/81,469,371.25
  6. Step 6: Final answer
    x = 72,108,817.86

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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.