Home / 312,672,092.80-469,008,139.20-231,042,755.20

Finding the Fourth Proportional to 312,672,092.80, 469,008,139.20 and 231,042,755.20

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Solution

The fourth proportional to 312,672,092.80, 469,008,139.20 and 231,042,755.20 is: 346,564,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,672,092.80 : 469,008,139.20 = 231,042,755.20 : x
  2. Step 2: Convert to fraction form
    312,672,092.80/469,008,139.20 = 231,042,755.20/x
  3. Step 3: Cross multiply
    312,672,092.80x = 469,008,139.20 × 231,042,755.20
  4. Step 4: Simplify right side
    312,672,092.80x = 108,360,932,691,993,120
  5. Step 5: Solve for x
    x = 108,360,932,691,993,120/312,672,092.80
  6. Step 6: Final answer
    x = 346,564,132.80

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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.