Home / 189,179,324.51-261,067,352.34-102,259,196.51

Finding the Fourth Proportional to 189,179,324.51, 261,067,352.34 and 102,259,196.51

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Solution

The fourth proportional to 189,179,324.51, 261,067,352.34 and 102,259,196.51 is: 141,117,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,324.51 : 261,067,352.34 = 102,259,196.51 : x
  2. Step 2: Convert to fraction form
    189,179,324.51/261,067,352.34 = 102,259,196.51/x
  3. Step 3: Cross multiply
    189,179,324.51x = 261,067,352.34 × 102,259,196.51
  4. Step 4: Simplify right side
    189,179,324.51x = 26,696,537,683,464,836
  5. Step 5: Solve for x
    x = 26,696,537,683,464,836/189,179,324.51
  6. Step 6: Final answer
    x = 141,117,628.75

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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.