Home / 100,332,238.80-150,498,358.20-80,176,846.80

Finding the Fourth Proportional to 100,332,238.80, 150,498,358.20 and 80,176,846.80

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Solution

The fourth proportional to 100,332,238.80, 150,498,358.20 and 80,176,846.80 is: 120,265,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,332,238.80 : 150,498,358.20 = 80,176,846.80 : x
  2. Step 2: Convert to fraction form
    100,332,238.80/150,498,358.20 = 80,176,846.80/x
  3. Step 3: Cross multiply
    100,332,238.80x = 150,498,358.20 × 80,176,846.80
  4. Step 4: Simplify right side
    100,332,238.80x = 12,066,483,809,052,922
  5. Step 5: Solve for x
    x = 12,066,483,809,052,922/100,332,238.80
  6. Step 6: Final answer
    x = 120,265,270.20

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1.5x scale

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.