Home / 213,581,378.76-320,372,593.20-60,228,238.92

Finding the Fourth Proportional to 213,581,378.76, 320,372,593.20 and 60,228,238.92

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Solution

The fourth proportional to 213,581,378.76, 320,372,593.20 and 60,228,238.92 is: 90,342,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,581,378.76 : 320,372,593.20 = 60,228,238.92 : x
  2. Step 2: Convert to fraction form
    213,581,378.76/320,372,593.20 = 60,228,238.92/x
  3. Step 3: Cross multiply
    213,581,378.76x = 320,372,593.20 × 60,228,238.92
  4. Step 4: Simplify right side
    213,581,378.76x = 19,295,477,086,669,568
  5. Step 5: Solve for x
    x = 19,295,477,086,669,568/213,581,378.76
  6. Step 6: Final answer
    x = 90,342,506.44

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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.