Home / 125,844,160.20-188,447,375.70-100,334,992.20

Finding the Fourth Proportional to 125,844,160.20, 188,447,375.70 and 100,334,992.20

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Solution

The fourth proportional to 125,844,160.20, 188,447,375.70 and 100,334,992.20 is: 150,248,258.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,844,160.20 : 188,447,375.70 = 100,334,992.20 : x
  2. Step 2: Convert to fraction form
    125,844,160.20/188,447,375.70 = 100,334,992.20/x
  3. Step 3: Cross multiply
    125,844,160.20x = 188,447,375.70 × 100,334,992.20
  4. Step 4: Simplify right side
    125,844,160.20x = 18,907,865,970,969,968
  5. Step 5: Solve for x
    x = 18,907,865,970,969,968/125,844,160.20
  6. Step 6: Final answer
    x = 150,248,258.97

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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.