Home / 81,485,660.40-122,228,490.60-26,906,669.70

Finding the Fourth Proportional to 81,485,660.40, 122,228,490.60 and 26,906,669.70

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Solution

The fourth proportional to 81,485,660.40, 122,228,490.60 and 26,906,669.70 is: 40,360,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,485,660.40 : 122,228,490.60 = 26,906,669.70 : x
  2. Step 2: Convert to fraction form
    81,485,660.40/122,228,490.60 = 26,906,669.70/x
  3. Step 3: Cross multiply
    81,485,660.40x = 122,228,490.60 × 26,906,669.70
  4. Step 4: Simplify right side
    81,485,660.40x = 3,288,761,624,503,754.50
  5. Step 5: Solve for x
    x = 3,288,761,624,503,754.50/81,485,660.40
  6. Step 6: Final answer
    x = 40,360,004.55

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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.