Home / 85,040,604.81-117,293,373.27-64,133,517.42

Finding the Fourth Proportional to 85,040,604.81, 117,293,373.27 and 64,133,517.42

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Solution

The fourth proportional to 85,040,604.81, 117,293,373.27 and 64,133,517.42 is: 88,456,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040,604.81 : 117,293,373.27 = 64,133,517.42 : x
  2. Step 2: Convert to fraction form
    85,040,604.81/117,293,373.27 = 64,133,517.42/x
  3. Step 3: Cross multiply
    85,040,604.81x = 117,293,373.27 × 64,133,517.42
  4. Step 4: Simplify right side
    85,040,604.81x = 7,522,436,597,862,107
  5. Step 5: Solve for x
    x = 7,522,436,597,862,107/85,040,604.81
  6. Step 6: Final answer
    x = 88,456,997.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.