Home / 81,655,481.80-122,483,222.70-36,217,276.30

Finding the Fourth Proportional to 81,655,481.80, 122,483,222.70 and 36,217,276.30

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Solution

The fourth proportional to 81,655,481.80, 122,483,222.70 and 36,217,276.30 is: 54,325,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,655,481.80 : 122,483,222.70 = 36,217,276.30 : x
  2. Step 2: Convert to fraction form
    81,655,481.80/122,483,222.70 = 36,217,276.30/x
  3. Step 3: Cross multiply
    81,655,481.80x = 122,483,222.70 × 36,217,276.30
  4. Step 4: Simplify right side
    81,655,481.80x = 4,436,008,718,640,332
  5. Step 5: Solve for x
    x = 4,436,008,718,640,332/81,655,481.80
  6. Step 6: Final answer
    x = 54,325,914.45

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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.