Home / 198,711,880.80-274,222,408.14-110,603,981.76

Finding the Fourth Proportional to 198,711,880.80, 274,222,408.14 and 110,603,981.76

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Solution

The fourth proportional to 198,711,880.80, 274,222,408.14 and 110,603,981.76 is: 152,633,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,711,880.80 : 274,222,408.14 = 110,603,981.76 : x
  2. Step 2: Convert to fraction form
    198,711,880.80/274,222,408.14 = 110,603,981.76/x
  3. Step 3: Cross multiply
    198,711,880.80x = 274,222,408.14 × 110,603,981.76
  4. Step 4: Simplify right side
    198,711,880.80x = 30,330,090,228,099,836
  5. Step 5: Solve for x
    x = 30,330,090,228,099,836/198,711,880.80
  6. Step 6: Final answer
    x = 152,633,501.86

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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.