Home / 267,558,942.80-401,338,414.20-213,811,230.80

Finding the Fourth Proportional to 267,558,942.80, 401,338,414.20 and 213,811,230.80

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Solution

The fourth proportional to 267,558,942.80, 401,338,414.20 and 213,811,230.80 is: 320,716,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,558,942.80 : 401,338,414.20 = 213,811,230.80 : x
  2. Step 2: Convert to fraction form
    267,558,942.80/401,338,414.20 = 213,811,230.80/x
  3. Step 3: Cross multiply
    267,558,942.80x = 401,338,414.20 × 213,811,230.80
  4. Step 4: Simplify right side
    267,558,942.80x = 85,810,660,307,422,192
  5. Step 5: Solve for x
    x = 85,810,660,307,422,192/267,558,942.80
  6. Step 6: Final answer
    x = 320,716,846.20

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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.