Home / 171,188,481.71-236,240,562.66-92,872,035.20

Finding the Fourth Proportional to 171,188,481.71, 236,240,562.66 and 92,872,035.20

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Solution

The fourth proportional to 171,188,481.71, 236,240,562.66 and 92,872,035.20 is: 128,163,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,188,481.71 : 236,240,562.66 = 92,872,035.20 : x
  2. Step 2: Convert to fraction form
    171,188,481.71/236,240,562.66 = 92,872,035.20/x
  3. Step 3: Cross multiply
    171,188,481.71x = 236,240,562.66 × 92,872,035.20
  4. Step 4: Simplify right side
    171,188,481.71x = 21,940,141,851,269,656
  5. Step 5: Solve for x
    x = 21,940,141,851,269,656/171,188,481.71
  6. Step 6: Final answer
    x = 128,163,656.99

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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.