Home / 200,752,079.40-301,142,512.26-84,049,997.76

Finding the Fourth Proportional to 200,752,079.40, 301,142,512.26 and 84,049,997.76

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Solution

The fourth proportional to 200,752,079.40, 301,142,512.26 and 84,049,997.76 is: 126,081,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,752,079.40 : 301,142,512.26 = 84,049,997.76 : x
  2. Step 2: Convert to fraction form
    200,752,079.40/301,142,512.26 = 84,049,997.76/x
  3. Step 3: Cross multiply
    200,752,079.40x = 301,142,512.26 × 84,049,997.76
  4. Step 4: Simplify right side
    200,752,079.40x = 25,311,027,480,893,772
  5. Step 5: Solve for x
    x = 25,311,027,480,893,772/200,752,079.40
  6. Step 6: Final answer
    x = 126,081,022.70

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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.