Home / 117,632,310.76-162,337,067.60-65,425,121.56

Finding the Fourth Proportional to 117,632,310.76, 162,337,067.60 and 65,425,121.56

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Solution

The fourth proportional to 117,632,310.76, 162,337,067.60 and 65,425,121.56 is: 90,289,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,632,310.76 : 162,337,067.60 = 65,425,121.56 : x
  2. Step 2: Convert to fraction form
    117,632,310.76/162,337,067.60 = 65,425,121.56/x
  3. Step 3: Cross multiply
    117,632,310.76x = 162,337,067.60 × 65,425,121.56
  4. Step 4: Simplify right side
    117,632,310.76x = 10,620,922,381,423,938
  5. Step 5: Solve for x
    x = 10,620,922,381,423,938/117,632,310.76
  6. Step 6: Final answer
    x = 90,289,158.76

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1.5x scale

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.