Home / 221,433,933.80-332,150,900.70-75,819,099.80

Finding the Fourth Proportional to 221,433,933.80, 332,150,900.70 and 75,819,099.80

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Solution

The fourth proportional to 221,433,933.80, 332,150,900.70 and 75,819,099.80 is: 113,728,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,933.80 : 332,150,900.70 = 75,819,099.80 : x
  2. Step 2: Convert to fraction form
    221,433,933.80/332,150,900.70 = 75,819,099.80/x
  3. Step 3: Cross multiply
    221,433,933.80x = 332,150,900.70 × 75,819,099.80
  4. Step 4: Simplify right side
    221,433,933.80x = 25,183,382,288,833,188
  5. Step 5: Solve for x
    x = 25,183,382,288,833,188/221,433,933.80
  6. Step 6: Final answer
    x = 113,728,649.70

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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.