Home / 444,942,206.40-667,476,295.20-138,202,334.40

Finding the Fourth Proportional to 444,942,206.40, 667,476,295.20 and 138,202,334.40

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Solution

The fourth proportional to 444,942,206.40, 667,476,295.20 and 138,202,334.40 is: 207,323,065.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,942,206.40 : 667,476,295.20 = 138,202,334.40 : x
  2. Step 2: Convert to fraction form
    444,942,206.40/667,476,295.20 = 138,202,334.40/x
  3. Step 3: Cross multiply
    444,942,206.40x = 667,476,295.20 × 138,202,334.40
  4. Step 4: Simplify right side
    444,942,206.40x = 92,246,782,153,303,520
  5. Step 5: Solve for x
    x = 92,246,782,153,303,520/444,942,206.40
  6. Step 6: Final answer
    x = 207,323,065.39

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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.