Home / 201,204,424.40-301,806,636.60-199,291,236.80

Finding the Fourth Proportional to 201,204,424.40, 301,806,636.60 and 199,291,236.80

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Solution

The fourth proportional to 201,204,424.40, 301,806,636.60 and 199,291,236.80 is: 298,936,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,424.40 : 301,806,636.60 = 199,291,236.80 : x
  2. Step 2: Convert to fraction form
    201,204,424.40/301,806,636.60 = 199,291,236.80/x
  3. Step 3: Cross multiply
    201,204,424.40x = 301,806,636.60 × 199,291,236.80
  4. Step 4: Simplify right side
    201,204,424.40x = 60,147,417,882,462,152
  5. Step 5: Solve for x
    x = 60,147,417,882,462,152/201,204,424.40
  6. Step 6: Final answer
    x = 298,936,855.20

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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.