Home / 203,629,888.90-281,149,835.79-190,620,213.22

Finding the Fourth Proportional to 203,629,888.90, 281,149,835.79 and 190,620,213.22

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Solution

The fourth proportional to 203,629,888.90, 281,149,835.79 and 190,620,213.22 is: 263,187,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,629,888.90 : 281,149,835.79 = 190,620,213.22 : x
  2. Step 2: Convert to fraction form
    203,629,888.90/281,149,835.79 = 190,620,213.22/x
  3. Step 3: Cross multiply
    203,629,888.90x = 281,149,835.79 × 190,620,213.22
  4. Step 4: Simplify right side
    203,629,888.90x = 53,592,841,645,057,792
  5. Step 5: Solve for x
    x = 53,592,841,645,057,792/203,629,888.90
  6. Step 6: Final answer
    x = 263,187,501.28

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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.