Home / 198,380,313,568.73-273,756,947,415.72-117,116,314,027.13

Finding the Fourth Proportional to 198,380,313,568.73, 273,756,947,415.72 and 117,116,314,027.13

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Solution

The fourth proportional to 198,380,313,568.73, 273,756,947,415.72 and 117,116,314,027.13 is: 161,615,858,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,380,313,568.73 : 273,756,947,415.72 = 117,116,314,027.13 : x
  2. Step 2: Convert to fraction form
    198,380,313,568.73/273,756,947,415.72 = 117,116,314,027.13/x
  3. Step 3: Cross multiply
    198,380,313,568.73x = 273,756,947,415.72 × 117,116,314,027.13
  4. Step 4: Simplify right side
    198,380,313,568.73x = 32,061,404,620,647,980,597,248
  5. Step 5: Solve for x
    x = 32,061,404,620,647,980,597,248/198,380,313,568.73
  6. Step 6: Final answer
    x = 161,615,858,165.99

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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.