Home / 214,431,961.44-321,783,986.31-91,611,204.19

Finding the Fourth Proportional to 214,431,961.44, 321,783,986.31 and 91,611,204.19

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Solution

The fourth proportional to 214,431,961.44, 321,783,986.31 and 91,611,204.19 is: 137,474,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,431,961.44 : 321,783,986.31 = 91,611,204.19 : x
  2. Step 2: Convert to fraction form
    214,431,961.44/321,783,986.31 = 91,611,204.19/x
  3. Step 3: Cross multiply
    214,431,961.44x = 321,783,986.31 × 91,611,204.19
  4. Step 4: Simplify right side
    214,431,961.44x = 29,479,018,474,917,576
  5. Step 5: Solve for x
    x = 29,479,018,474,917,576/214,431,961.44
  6. Step 6: Final answer
    x = 137,474,928.07

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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.