Home / 203,629,893.18-281,149,841.70-190,620,217.50

Finding the Fourth Proportional to 203,629,893.18, 281,149,841.70 and 190,620,217.50

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Solution

The fourth proportional to 203,629,893.18, 281,149,841.70 and 190,620,217.50 is: 263,187,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,629,893.18 : 281,149,841.70 = 190,620,217.50 : x
  2. Step 2: Convert to fraction form
    203,629,893.18/281,149,841.70 = 190,620,217.50/x
  3. Step 3: Cross multiply
    203,629,893.18x = 281,149,841.70 × 190,620,217.50
  4. Step 4: Simplify right side
    203,629,893.18x = 53,592,843,974,944,568
  5. Step 5: Solve for x
    x = 53,592,843,974,944,568/203,629,893.18
  6. Step 6: Final answer
    x = 263,187,507.19

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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.