Home / 208,737,200.70-313,105,801.05-196,832,922.30

Finding the Fourth Proportional to 208,737,200.70, 313,105,801.05 and 196,832,922.30

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Solution

The fourth proportional to 208,737,200.70, 313,105,801.05 and 196,832,922.30 is: 295,249,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,737,200.70 : 313,105,801.05 = 196,832,922.30 : x
  2. Step 2: Convert to fraction form
    208,737,200.70/313,105,801.05 = 196,832,922.30/x
  3. Step 3: Cross multiply
    208,737,200.70x = 313,105,801.05 × 196,832,922.30
  4. Step 4: Simplify right side
    208,737,200.70x = 61,629,529,809,753,912
  5. Step 5: Solve for x
    x = 61,629,529,809,753,912/208,737,200.70
  6. Step 6: Final answer
    x = 295,249,383.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.