Home / 203,629,896.90-281,149,846.84-190,620,221.22

Finding the Fourth Proportional to 203,629,896.90, 281,149,846.84 and 190,620,221.22

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Solution

The fourth proportional to 203,629,896.90, 281,149,846.84 and 190,620,221.22 is: 263,187,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,629,896.90 : 281,149,846.84 = 190,620,221.22 : x
  2. Step 2: Convert to fraction form
    203,629,896.90/281,149,846.84 = 190,620,221.22/x
  3. Step 3: Cross multiply
    203,629,896.90x = 281,149,846.84 × 190,620,221.22
  4. Step 4: Simplify right side
    203,629,896.90x = 53,592,846,000,609,912
  5. Step 5: Solve for x
    x = 53,592,846,000,609,912/203,629,896.90
  6. Step 6: Final answer
    x = 263,187,512.33

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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.