Home / 72,560,276.20-100,129,401.06-45,057,614.44

Finding the Fourth Proportional to 72,560,276.20, 100,129,401.06 and 45,057,614.44

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Solution

The fourth proportional to 72,560,276.20, 100,129,401.06 and 45,057,614.44 is: 62,177,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,560,276.20 : 100,129,401.06 = 45,057,614.44 : x
  2. Step 2: Convert to fraction form
    72,560,276.20/100,129,401.06 = 45,057,614.44/x
  3. Step 3: Cross multiply
    72,560,276.20x = 100,129,401.06 × 45,057,614.44
  4. Step 4: Simplify right side
    72,560,276.20x = 4,511,591,947,069,607
  5. Step 5: Solve for x
    x = 4,511,591,947,069,607/72,560,276.20
  6. Step 6: Final answer
    x = 62,177,160.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.