Home / 198,874,009.62-274,459,926.69-120,560,863.86

Finding the Fourth Proportional to 198,874,009.62, 274,459,926.69 and 120,560,863.86

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Solution

The fourth proportional to 198,874,009.62, 274,459,926.69 and 120,560,863.86 is: 166,382,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,874,009.62 : 274,459,926.69 = 120,560,863.86 : x
  2. Step 2: Convert to fraction form
    198,874,009.62/274,459,926.69 = 120,560,863.86/x
  3. Step 3: Cross multiply
    198,874,009.62x = 274,459,926.69 × 120,560,863.86
  4. Step 4: Simplify right side
    198,874,009.62x = 33,089,125,856,698,668
  5. Step 5: Solve for x
    x = 33,089,125,856,698,668/198,874,009.62
  6. Step 6: Final answer
    x = 166,382,353.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.