Home / 203,938,903.82-305,968,049.54-65,761,731.97

Finding the Fourth Proportional to 203,938,903.82, 305,968,049.54 and 65,761,731.97

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Solution

The fourth proportional to 203,938,903.82, 305,968,049.54 and 65,761,731.97 is: 98,661,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,903.82 : 305,968,049.54 = 65,761,731.97 : x
  2. Step 2: Convert to fraction form
    203,938,903.82/305,968,049.54 = 65,761,731.97/x
  3. Step 3: Cross multiply
    203,938,903.82x = 305,968,049.54 × 65,761,731.97
  4. Step 4: Simplify right side
    203,938,903.82x = 20,120,988,863,867,728
  5. Step 5: Solve for x
    x = 20,120,988,863,867,728/203,938,903.82
  6. Step 6: Final answer
    x = 98,661,846.70

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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.