Home / 189,179,201.72-261,067,182.90-102,259,073.72

Finding the Fourth Proportional to 189,179,201.72, 261,067,182.90 and 102,259,073.72

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Solution

The fourth proportional to 189,179,201.72, 261,067,182.90 and 102,259,073.72 is: 141,117,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,179,201.72 : 261,067,182.90 = 102,259,073.72 : x
  2. Step 2: Convert to fraction form
    189,179,201.72/261,067,182.90 = 102,259,073.72/x
  3. Step 3: Cross multiply
    189,179,201.72x = 261,067,182.90 × 102,259,073.72
  4. Step 4: Simplify right side
    189,179,201.72x = 26,696,488,302,043,824
  5. Step 5: Solve for x
    x = 26,696,488,302,043,824/189,179,201.72
  6. Step 6: Final answer
    x = 141,117,459.32

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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.