Home / 193,367,981.14-289,858,032.42-89,809,912.78

Finding the Fourth Proportional to 193,367,981.14, 289,858,032.42 and 89,809,912.78

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Solution

The fourth proportional to 193,367,981.14, 289,858,032.42 and 89,809,912.78 is: 134,624,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,367,981.14 : 289,858,032.42 = 89,809,912.78 : x
  2. Step 2: Convert to fraction form
    193,367,981.14/289,858,032.42 = 89,809,912.78/x
  3. Step 3: Cross multiply
    193,367,981.14x = 289,858,032.42 × 89,809,912.78
  4. Step 4: Simplify right side
    193,367,981.14x = 26,032,124,610,222,616
  5. Step 5: Solve for x
    x = 26,032,124,610,222,616/193,367,981.14
  6. Step 6: Final answer
    x = 134,624,793.91

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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.