Home / 35,702,221.66-49,270,105.16-20,231,791.90

Finding the Fourth Proportional to 35,702,221.66, 49,270,105.16 and 20,231,791.90

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Solution

The fourth proportional to 35,702,221.66, 49,270,105.16 and 20,231,791.90 is: 27,920,461.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702,221.66 : 49,270,105.16 = 20,231,791.90 : x
  2. Step 2: Convert to fraction form
    35,702,221.66/49,270,105.16 = 20,231,791.90/x
  3. Step 3: Cross multiply
    35,702,221.66x = 49,270,105.16 × 20,231,791.90
  4. Step 4: Simplify right side
    35,702,221.66x = 996,822,514,488,236
  5. Step 5: Solve for x
    x = 996,822,514,488,236/35,702,221.66
  6. Step 6: Final answer
    x = 27,920,461.76

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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.