Home / 202,761,021.97-279,815,712.24-114,668,192.98

Finding the Fourth Proportional to 202,761,021.97, 279,815,712.24 and 114,668,192.98

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Solution

The fourth proportional to 202,761,021.97, 279,815,712.24 and 114,668,192.98 is: 158,245,217.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,761,021.97 : 279,815,712.24 = 114,668,192.98 : x
  2. Step 2: Convert to fraction form
    202,761,021.97/279,815,712.24 = 114,668,192.98/x
  3. Step 3: Cross multiply
    202,761,021.97x = 279,815,712.24 × 114,668,192.98
  4. Step 4: Simplify right side
    202,761,021.97x = 32,085,962,089,972,472
  5. Step 5: Solve for x
    x = 32,085,962,089,972,472/202,761,021.97
  6. Step 6: Final answer
    x = 158,245,217.83

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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.