Home / 57,800,158.20-79,764,178.68-31,695,120.72

Finding the Fourth Proportional to 57,800,158.20, 79,764,178.68 and 31,695,120.72

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Solution

The fourth proportional to 57,800,158.20, 79,764,178.68 and 31,695,120.72 is: 43,739,244.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800,158.20 : 79,764,178.68 = 31,695,120.72 : x
  2. Step 2: Convert to fraction form
    57,800,158.20/79,764,178.68 = 31,695,120.72/x
  3. Step 3: Cross multiply
    57,800,158.20x = 79,764,178.68 × 31,695,120.72
  4. Step 4: Simplify right side
    57,800,158.20x = 2,528,135,272,394,250.50
  5. Step 5: Solve for x
    x = 2,528,135,272,394,250.50/57,800,158.20
  6. Step 6: Final answer
    x = 43,739,244.86

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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.