Home / 203,629,899.66-281,149,850.64-190,620,223.98

Finding the Fourth Proportional to 203,629,899.66, 281,149,850.64 and 190,620,223.98

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Solution

The fourth proportional to 203,629,899.66, 281,149,850.64 and 190,620,223.98 is: 263,187,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,629,899.66 : 281,149,850.64 = 190,620,223.98 : x
  2. Step 2: Convert to fraction form
    203,629,899.66/281,149,850.64 = 190,620,223.98/x
  3. Step 3: Cross multiply
    203,629,899.66x = 281,149,850.64 × 190,620,223.98
  4. Step 4: Simplify right side
    203,629,899.66x = 53,592,847,500,940,344
  5. Step 5: Solve for x
    x = 53,592,847,500,940,344/203,629,899.66
  6. Step 6: Final answer
    x = 263,187,516.13

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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.