Home / 355,315,912.20-532,973,868.30-113,003,310.60

Finding the Fourth Proportional to 355,315,912.20, 532,973,868.30 and 113,003,310.60

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Solution

The fourth proportional to 355,315,912.20, 532,973,868.30 and 113,003,310.60 is: 169,504,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,315,912.20 : 532,973,868.30 = 113,003,310.60 : x
  2. Step 2: Convert to fraction form
    355,315,912.20/532,973,868.30 = 113,003,310.60/x
  3. Step 3: Cross multiply
    355,315,912.20x = 532,973,868.30 × 113,003,310.60
  4. Step 4: Simplify right side
    355,315,912.20x = 60,227,811,581,188,392
  5. Step 5: Solve for x
    x = 60,227,811,581,188,392/355,315,912.20
  6. Step 6: Final answer
    x = 169,504,965.90

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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.