Home / 126,918,859.72-190,395,236.62-50,223,951.88

Finding the Fourth Proportional to 126,918,859.72, 190,395,236.62 and 50,223,951.88

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Solution

The fourth proportional to 126,918,859.72, 190,395,236.62 and 50,223,951.88 is: 75,342,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,918,859.72 : 190,395,236.62 = 50,223,951.88 : x
  2. Step 2: Convert to fraction form
    126,918,859.72/190,395,236.62 = 50,223,951.88/x
  3. Step 3: Cross multiply
    126,918,859.72x = 190,395,236.62 × 50,223,951.88
  4. Step 4: Simplify right side
    126,918,859.72x = 9,562,401,202,184,094
  5. Step 5: Solve for x
    x = 9,562,401,202,184,094/126,918,859.72
  6. Step 6: Final answer
    x = 75,342,634.05

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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.