Home / 213,904,335.91-320,878,255.11-73,826,562.49

Finding the Fourth Proportional to 213,904,335.91, 320,878,255.11 and 73,826,562.49

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Solution

The fourth proportional to 213,904,335.91, 320,878,255.11 and 73,826,562.49 is: 110,747,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904,335.91 : 320,878,255.11 = 73,826,562.49 : x
  2. Step 2: Convert to fraction form
    213,904,335.91/320,878,255.11 = 73,826,562.49/x
  3. Step 3: Cross multiply
    213,904,335.91x = 320,878,255.11 × 73,826,562.49
  4. Step 4: Simplify right side
    213,904,335.91x = 23,689,338,552,560,576
  5. Step 5: Solve for x
    x = 23,689,338,552,560,576/213,904,335.91
  6. Step 6: Final answer
    x = 110,747,350.92

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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.