Home / 247,891,912.88-342,182,932.44-212,944,352.72

Finding the Fourth Proportional to 247,891,912.88, 342,182,932.44 and 212,944,352.72

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Solution

The fourth proportional to 247,891,912.88, 342,182,932.44 and 212,944,352.72 is: 293,942,316.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,891,912.88 : 342,182,932.44 = 212,944,352.72 : x
  2. Step 2: Convert to fraction form
    247,891,912.88/342,182,932.44 = 212,944,352.72/x
  3. Step 3: Cross multiply
    247,891,912.88x = 342,182,932.44 × 212,944,352.72
  4. Step 4: Simplify right side
    247,891,912.88x = 72,865,923,060,267,296
  5. Step 5: Solve for x
    x = 72,865,923,060,267,296/247,891,912.88
  6. Step 6: Final answer
    x = 293,942,316.29

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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.