Home / 81,578,512.80-122,367,769.20-27,725,824.80

Finding the Fourth Proportional to 81,578,512.80, 122,367,769.20 and 27,725,824.80

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Solution

The fourth proportional to 81,578,512.80, 122,367,769.20 and 27,725,824.80 is: 41,588,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,578,512.80 : 122,367,769.20 = 27,725,824.80 : x
  2. Step 2: Convert to fraction form
    81,578,512.80/122,367,769.20 = 27,725,824.80/x
  3. Step 3: Cross multiply
    81,578,512.80x = 122,367,769.20 × 27,725,824.80
  4. Step 4: Simplify right side
    81,578,512.80x = 3,392,747,330,006,036.50
  5. Step 5: Solve for x
    x = 3,392,747,330,006,036.50/81,578,512.80
  6. Step 6: Final answer
    x = 41,588,737.20

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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.