Home / 150,166,322-207,229,524.36-81,488,690

Finding the Fourth Proportional to 150,166,322, 207,229,524.36 and 81,488,690

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Solution

The fourth proportional to 150,166,322, 207,229,524.36 and 81,488,690 is: 112,454,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,166,322 : 207,229,524.36 = 81,488,690 : x
  2. Step 2: Convert to fraction form
    150,166,322/207,229,524.36 = 81,488,690/x
  3. Step 3: Cross multiply
    150,166,322x = 207,229,524.36 × 81,488,690
  4. Step 4: Simplify right side
    150,166,322x = 16,886,862,469,419,490
  5. Step 5: Solve for x
    x = 16,886,862,469,419,490/150,166,322
  6. Step 6: Final answer
    x = 112,454,392.20

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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.