Home / 207,910,109,067.04-286,917,635,140.28-115,212,511,956.40

Finding the Fourth Proportional to 207,910,109,067.04, 286,917,635,140.28 and 115,212,511,956.40

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Solution

The fourth proportional to 207,910,109,067.04, 286,917,635,140.28 and 115,212,511,956.40 is: 158,994,200,029.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,067.04 : 286,917,635,140.28 = 115,212,511,956.40 : x
  2. Step 2: Convert to fraction form
    207,910,109,067.04/286,917,635,140.28 = 115,212,511,956.40/x
  3. Step 3: Cross multiply
    207,910,109,067.04x = 286,917,635,140.28 × 115,212,511,956.40
  4. Step 4: Simplify right side
    207,910,109,067.04x = 33,056,501,469,101,525,303,296
  5. Step 5: Solve for x
    x = 33,056,501,469,101,525,303,296/207,910,109,067.04
  6. Step 6: Final answer
    x = 158,994,200,029.22

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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.