Home / 118,891,844.70-178,169,805.45-87,944,919.90

Finding the Fourth Proportional to 118,891,844.70, 178,169,805.45 and 87,944,919.90

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Solution

The fourth proportional to 118,891,844.70, 178,169,805.45 and 87,944,919.90 is: 131,793,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,891,844.70 : 178,169,805.45 = 87,944,919.90 : x
  2. Step 2: Convert to fraction form
    118,891,844.70/178,169,805.45 = 87,944,919.90/x
  3. Step 3: Cross multiply
    118,891,844.70x = 178,169,805.45 × 87,944,919.90
  4. Step 4: Simplify right side
    118,891,844.70x = 15,669,129,268,898,834
  5. Step 5: Solve for x
    x = 15,669,129,268,898,834/118,891,844.70
  6. Step 6: Final answer
    x = 131,793,137.78

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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.