Home / 165,689,297.78-248,535,192-73,548,264.74

Finding the Fourth Proportional to 165,689,297.78, 248,535,192 and 73,548,264.74

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Solution

The fourth proportional to 165,689,297.78, 248,535,192 and 73,548,264.74 is: 110,322,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,689,297.78 : 248,535,192 = 73,548,264.74 : x
  2. Step 2: Convert to fraction form
    165,689,297.78/248,535,192 = 73,548,264.74/x
  3. Step 3: Cross multiply
    165,689,297.78x = 248,535,192 × 73,548,264.74
  4. Step 4: Simplify right side
    165,689,297.78x = 18,279,332,098,422,728
  5. Step 5: Solve for x
    x = 18,279,332,098,422,728/165,689,297.78
  6. Step 6: Final answer
    x = 110,322,949.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.