Home / 219,997,365.60-331,312,185.12-200,384,535.36

Finding the Fourth Proportional to 219,997,365.60, 331,312,185.12 and 200,384,535.36

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Solution

The fourth proportional to 219,997,365.60, 331,312,185.12 and 200,384,535.36 is: 301,775,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,997,365.60 : 331,312,185.12 = 200,384,535.36 : x
  2. Step 2: Convert to fraction form
    219,997,365.60/331,312,185.12 = 200,384,535.36/x
  3. Step 3: Cross multiply
    219,997,365.60x = 331,312,185.12 × 200,384,535.36
  4. Step 4: Simplify right side
    219,997,365.60x = 66,389,838,274,377,512
  5. Step 5: Solve for x
    x = 66,389,838,274,377,512/219,997,365.60
  6. Step 6: Final answer
    x = 301,775,605.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.