Home / 188,291,992.72-259,913,435.72-141,384,571.20

Finding the Fourth Proportional to 188,291,992.72, 259,913,435.72 and 141,384,571.20

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Solution

The fourth proportional to 188,291,992.72, 259,913,435.72 and 141,384,571.20 is: 195,163,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,291,992.72 : 259,913,435.72 = 141,384,571.20 : x
  2. Step 2: Convert to fraction form
    188,291,992.72/259,913,435.72 = 141,384,571.20/x
  3. Step 3: Cross multiply
    188,291,992.72x = 259,913,435.72 × 141,384,571.20
  4. Step 4: Simplify right side
    188,291,992.72x = 36,747,749,658,390,960
  5. Step 5: Solve for x
    x = 36,747,749,658,390,960/188,291,992.72
  6. Step 6: Final answer
    x = 195,163,634.56

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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.