Home / 189,179,201.22-261,067,182.21-102,259,073.22

Finding the Fourth Proportional to 189,179,201.22, 261,067,182.21 and 102,259,073.22

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Solution

The fourth proportional to 189,179,201.22, 261,067,182.21 and 102,259,073.22 is: 141,117,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,201.22 : 261,067,182.21 = 102,259,073.22 : x
  2. Step 2: Convert to fraction form
    189,179,201.22/261,067,182.21 = 102,259,073.22/x
  3. Step 3: Cross multiply
    189,179,201.22x = 261,067,182.21 × 102,259,073.22
  4. Step 4: Simplify right side
    189,179,201.22x = 26,696,488,100,951,472
  5. Step 5: Solve for x
    x = 26,696,488,100,951,472/189,179,201.22
  6. Step 6: Final answer
    x = 141,117,458.63

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1.5x scale

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.