Home / 189,179,321.22-261,067,347.81-102,259,193.22

Finding the Fourth Proportional to 189,179,321.22, 261,067,347.81 and 102,259,193.22

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Solution

The fourth proportional to 189,179,321.22, 261,067,347.81 and 102,259,193.22 is: 141,117,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,321.22 : 261,067,347.81 = 102,259,193.22 : x
  2. Step 2: Convert to fraction form
    189,179,321.22/261,067,347.81 = 102,259,193.22/x
  3. Step 3: Cross multiply
    189,179,321.22x = 261,067,347.81 × 102,259,193.22
  4. Step 4: Simplify right side
    189,179,321.22x = 26,696,536,363,135,732
  5. Step 5: Solve for x
    x = 26,696,536,363,135,732/189,179,321.22
  6. Step 6: Final answer
    x = 141,117,624.23

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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.