Home / 72,860,544.30-109,291,286.22-29,144,954.88

Finding the Fourth Proportional to 72,860,544.30, 109,291,286.22 and 29,144,954.88

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Solution

The fourth proportional to 72,860,544.30, 109,291,286.22 and 29,144,954.88 is: 43,717,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,860,544.30 : 109,291,286.22 = 29,144,954.88 : x
  2. Step 2: Convert to fraction form
    72,860,544.30/109,291,286.22 = 29,144,954.88/x
  3. Step 3: Cross multiply
    72,860,544.30x = 109,291,286.22 × 29,144,954.88
  4. Step 4: Simplify right side
    72,860,544.30x = 3,185,289,605,659,065.50
  5. Step 5: Solve for x
    x = 3,185,289,605,659,065.50/72,860,544.30
  6. Step 6: Final answer
    x = 43,717,620.23

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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.