Home / 41,278,221.20-61,782,599.34-30,345,516.81

Finding the Fourth Proportional to 41,278,221.20, 61,782,599.34 and 30,345,516.81

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Solution

The fourth proportional to 41,278,221.20, 61,782,599.34 and 30,345,516.81 is: 45,419,227.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278,221.20 : 61,782,599.34 = 30,345,516.81 : x
  2. Step 2: Convert to fraction form
    41,278,221.20/61,782,599.34 = 30,345,516.81/x
  3. Step 3: Cross multiply
    41,278,221.20x = 61,782,599.34 × 30,345,516.81
  4. Step 4: Simplify right side
    41,278,221.20x = 1,874,824,906,837,465
  5. Step 5: Solve for x
    x = 1,874,824,906,837,465/41,278,221.20
  6. Step 6: Final answer
    x = 45,419,227.19

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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.