Home / 197,143,216.80-295,147,954.80-191,474,512.80

Finding the Fourth Proportional to 197,143,216.80, 295,147,954.80 and 191,474,512.80

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Solution

The fourth proportional to 197,143,216.80, 295,147,954.80 and 191,474,512.80 is: 286,661,198.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143,216.80 : 295,147,954.80 = 191,474,512.80 : x
  2. Step 2: Convert to fraction form
    197,143,216.80/295,147,954.80 = 191,474,512.80/x
  3. Step 3: Cross multiply
    197,143,216.80x = 295,147,954.80 × 191,474,512.80
  4. Step 4: Simplify right side
    197,143,216.80x = 56,513,310,849,246,424
  5. Step 5: Solve for x
    x = 56,513,310,849,246,424/197,143,216.80
  6. Step 6: Final answer
    x = 286,661,198.73

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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.