Home / 201,204,428.90-301,806,643.35-199,291,241.30

Finding the Fourth Proportional to 201,204,428.90, 301,806,643.35 and 199,291,241.30

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Solution

The fourth proportional to 201,204,428.90, 301,806,643.35 and 199,291,241.30 is: 298,936,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,428.90 : 301,806,643.35 = 199,291,241.30 : x
  2. Step 2: Convert to fraction form
    201,204,428.90/301,806,643.35 = 199,291,241.30/x
  3. Step 3: Cross multiply
    201,204,428.90x = 301,806,643.35 × 199,291,241.30
  4. Step 4: Simplify right side
    201,204,428.90x = 60,147,420,585,807,896
  5. Step 5: Solve for x
    x = 60,147,420,585,807,896/201,204,428.90
  6. Step 6: Final answer
    x = 298,936,861.95

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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.