Home / 227,019,556.88-313,286,985.28-122,597,625.12

Finding the Fourth Proportional to 227,019,556.88, 313,286,985.28 and 122,597,625.12

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Solution

The fourth proportional to 227,019,556.88, 313,286,985.28 and 122,597,625.12 is: 169,184,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,019,556.88 : 313,286,985.28 = 122,597,625.12 : x
  2. Step 2: Convert to fraction form
    227,019,556.88/313,286,985.28 = 122,597,625.12/x
  3. Step 3: Cross multiply
    227,019,556.88x = 313,286,985.28 × 122,597,625.12
  4. Step 4: Simplify right side
    227,019,556.88x = 38,408,240,376,332,400
  5. Step 5: Solve for x
    x = 38,408,240,376,332,400/227,019,556.88
  6. Step 6: Final answer
    x = 169,184,720.93

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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.