Home / 150,204,981.24-207,216,844.74-90,633,048.84

Finding the Fourth Proportional to 150,204,981.24, 207,216,844.74 and 90,633,048.84

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Solution

The fourth proportional to 150,204,981.24, 207,216,844.74 and 90,633,048.84 is: 125,033,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,204,981.24 : 207,216,844.74 = 90,633,048.84 : x
  2. Step 2: Convert to fraction form
    150,204,981.24/207,216,844.74 = 90,633,048.84/x
  3. Step 3: Cross multiply
    150,204,981.24x = 207,216,844.74 × 90,633,048.84
  4. Step 4: Simplify right side
    150,204,981.24x = 18,780,694,409,791,120
  5. Step 5: Solve for x
    x = 18,780,694,409,791,120/150,204,981.24
  6. Step 6: Final answer
    x = 125,033,765.56

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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.