Home / 117,271,648.52-161,842,542.14-67,714,110.97

Finding the Fourth Proportional to 117,271,648.52, 161,842,542.14 and 67,714,110.97

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Solution

The fourth proportional to 117,271,648.52, 161,842,542.14 and 67,714,110.97 is: 93,449,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,271,648.52 : 161,842,542.14 = 67,714,110.97 : x
  2. Step 2: Convert to fraction form
    117,271,648.52/161,842,542.14 = 67,714,110.97/x
  3. Step 3: Cross multiply
    117,271,648.52x = 161,842,542.14 × 67,714,110.97
  4. Step 4: Simplify right side
    117,271,648.52x = 10,959,023,858,134,860
  5. Step 5: Solve for x
    x = 10,959,023,858,134,860/117,271,648.52
  6. Step 6: Final answer
    x = 93,449,900.27

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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.