Home / 203,986,757.64-306,044,819.34-72,826,219.32

Finding the Fourth Proportional to 203,986,757.64, 306,044,819.34 and 72,826,219.32

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Solution

The fourth proportional to 203,986,757.64, 306,044,819.34 and 72,826,219.32 is: 109,262,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,986,757.64 : 306,044,819.34 = 72,826,219.32 : x
  2. Step 2: Convert to fraction form
    203,986,757.64/306,044,819.34 = 72,826,219.32/x
  3. Step 3: Cross multiply
    203,986,757.64x = 306,044,819.34 × 72,826,219.32
  4. Step 4: Simplify right side
    203,986,757.64x = 22,288,087,135,004,612
  5. Step 5: Solve for x
    x = 22,288,087,135,004,612/203,986,757.64
  6. Step 6: Final answer
    x = 109,262,421.70

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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.