Home / 207,910,109,067.54-286,917,635,140.96-115,212,511,956.90

Finding the Fourth Proportional to 207,910,109,067.54, 286,917,635,140.96 and 115,212,511,956.90

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Solution

The fourth proportional to 207,910,109,067.54, 286,917,635,140.96 and 115,212,511,956.90 is: 158,994,200,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,067.54 : 286,917,635,140.96 = 115,212,511,956.90 : x
  2. Step 2: Convert to fraction form
    207,910,109,067.54/286,917,635,140.96 = 115,212,511,956.90/x
  3. Step 3: Cross multiply
    207,910,109,067.54x = 286,917,635,140.96 × 115,212,511,956.90
  4. Step 4: Simplify right side
    207,910,109,067.54x = 33,056,501,469,323,328,487,424
  5. Step 5: Solve for x
    x = 33,056,501,469,323,328,487,424/207,910,109,067.54
  6. Step 6: Final answer
    x = 158,994,200,029.90

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1.5x scale

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.