Home / 213,941,736.30-320,912,604.45-52,383,672.30

Finding the Fourth Proportional to 213,941,736.30, 320,912,604.45 and 52,383,672.30

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Solution

The fourth proportional to 213,941,736.30, 320,912,604.45 and 52,383,672.30 is: 78,575,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,941,736.30 : 320,912,604.45 = 52,383,672.30 : x
  2. Step 2: Convert to fraction form
    213,941,736.30/320,912,604.45 = 52,383,672.30/x
  3. Step 3: Cross multiply
    213,941,736.30x = 320,912,604.45 × 52,383,672.30
  4. Step 4: Simplify right side
    213,941,736.30x = 16,810,580,708,448,320
  5. Step 5: Solve for x
    x = 16,810,580,708,448,320/213,941,736.30
  6. Step 6: Final answer
    x = 78,575,508.45

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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.