Home / 123,504,993.66-185,023,655.64-82,440,613.20

Finding the Fourth Proportional to 123,504,993.66, 185,023,655.64 and 82,440,613.20

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Solution

The fourth proportional to 123,504,993.66, 185,023,655.64 and 82,440,613.20 is: 123,504,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,504,993.66 : 185,023,655.64 = 82,440,613.20 : x
  2. Step 2: Convert to fraction form
    123,504,993.66/185,023,655.64 = 82,440,613.20/x
  3. Step 3: Cross multiply
    123,504,993.66x = 185,023,655.64 × 82,440,613.20
  4. Step 4: Simplify right side
    123,504,993.66x = 15,253,463,627,467,238
  5. Step 5: Solve for x
    x = 15,253,463,627,467,238/123,504,993.66
  6. Step 6: Final answer
    x = 123,504,833.09

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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.