Home / 72,591,601.20-100,175,148.18-39,552,121.80

Finding the Fourth Proportional to 72,591,601.20, 100,175,148.18 and 39,552,121.80

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Solution

The fourth proportional to 72,591,601.20, 100,175,148.18 and 39,552,121.80 is: 54,581,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591,601.20 : 100,175,148.18 = 39,552,121.80 : x
  2. Step 2: Convert to fraction form
    72,591,601.20/100,175,148.18 = 39,552,121.80/x
  3. Step 3: Cross multiply
    72,591,601.20x = 100,175,148.18 × 39,552,121.80
  4. Step 4: Simplify right side
    72,591,601.20x = 3,962,139,662,148,408.50
  5. Step 5: Solve for x
    x = 3,962,139,662,148,408.50/72,591,601.20
  6. Step 6: Final answer
    x = 54,581,240.76

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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.