Home / 201,204,401.15-301,806,601.73-199,291,213.55

Finding the Fourth Proportional to 201,204,401.15, 301,806,601.73 and 199,291,213.55

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Solution

The fourth proportional to 201,204,401.15, 301,806,601.73 and 199,291,213.55 is: 298,936,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,401.15 : 301,806,601.73 = 199,291,213.55 : x
  2. Step 2: Convert to fraction form
    201,204,401.15/301,806,601.73 = 199,291,213.55/x
  3. Step 3: Cross multiply
    201,204,401.15x = 301,806,601.73 × 199,291,213.55
  4. Step 4: Simplify right side
    201,204,401.15x = 60,147,403,916,173,240
  5. Step 5: Solve for x
    x = 60,147,403,916,173,240/201,204,401.15
  6. Step 6: Final answer
    x = 298,936,820.33

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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.