Home / 101,573,067.54-140,171,656.92-55,163,653.68

Finding the Fourth Proportional to 101,573,067.54, 140,171,656.92 and 55,163,653.68

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Solution

The fourth proportional to 101,573,067.54, 140,171,656.92 and 55,163,653.68 is: 76,126,289.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,573,067.54 : 140,171,656.92 = 55,163,653.68 : x
  2. Step 2: Convert to fraction form
    101,573,067.54/140,171,656.92 = 55,163,653.68/x
  3. Step 3: Cross multiply
    101,573,067.54x = 140,171,656.92 × 55,163,653.68
  4. Step 4: Simplify right side
    101,573,067.54x = 7,732,380,738,086,655
  5. Step 5: Solve for x
    x = 7,732,380,738,086,655/101,573,067.54
  6. Step 6: Final answer
    x = 76,126,289.43

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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.