Home / 198,145,787.80-273,408,378.52-114,521,705.49

Finding the Fourth Proportional to 198,145,787.80, 273,408,378.52 and 114,521,705.49

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Solution

The fourth proportional to 198,145,787.80, 273,408,378.52 and 114,521,705.49 is: 158,020,991.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,145,787.80 : 273,408,378.52 = 114,521,705.49 : x
  2. Step 2: Convert to fraction form
    198,145,787.80/273,408,378.52 = 114,521,705.49/x
  3. Step 3: Cross multiply
    198,145,787.80x = 273,408,378.52 × 114,521,705.49
  4. Step 4: Simplify right side
    198,145,787.80x = 31,311,193,802,793,272
  5. Step 5: Solve for x
    x = 31,311,193,802,793,272/198,145,787.80
  6. Step 6: Final answer
    x = 158,020,991.27

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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.