Home / 213,561,682.03-320,170,132.57-196,323,552.46

Finding the Fourth Proportional to 213,561,682.03, 320,170,132.57 and 196,323,552.46

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Solution

The fourth proportional to 213,561,682.03, 320,170,132.57 and 196,323,552.46 is: 294,326,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,561,682.03 : 320,170,132.57 = 196,323,552.46 : x
  2. Step 2: Convert to fraction form
    213,561,682.03/320,170,132.57 = 196,323,552.46/x
  3. Step 3: Cross multiply
    213,561,682.03x = 320,170,132.57 × 196,323,552.46
  4. Step 4: Simplify right side
    213,561,682.03x = 62,856,937,815,149,088
  5. Step 5: Solve for x
    x = 62,856,937,815,149,088/213,561,682.03
  6. Step 6: Final answer
    x = 294,326,853.10

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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.