Home / 213,561,691.67-320,170,147.00-196,323,562.08

Finding the Fourth Proportional to 213,561,691.67, 320,170,147.00 and 196,323,562.08

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Solution

The fourth proportional to 213,561,691.67, 320,170,147.00 and 196,323,562.08 is: 294,326,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,561,691.67 : 320,170,147.00 = 196,323,562.08 : x
  2. Step 2: Convert to fraction form
    213,561,691.67/320,170,147.00 = 196,323,562.08/x
  3. Step 3: Cross multiply
    213,561,691.67x = 320,170,147.00 × 196,323,562.08
  4. Step 4: Simplify right side
    213,561,691.67x = 62,856,943,730,226,424
  5. Step 5: Solve for x
    x = 62,856,943,730,226,424/213,561,691.67
  6. Step 6: Final answer
    x = 294,326,867.51

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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.