Home / 207,910,109,074.28-286,917,635,150.30-115,212,511,963.65

Finding the Fourth Proportional to 207,910,109,074.28, 286,917,635,150.30 and 115,212,511,963.65

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Solution

The fourth proportional to 207,910,109,074.28, 286,917,635,150.30 and 115,212,511,963.65 is: 158,994,200,039.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,074.28 : 286,917,635,150.30 = 115,212,511,963.65 : x
  2. Step 2: Convert to fraction form
    207,910,109,074.28/286,917,635,150.30 = 115,212,511,963.65/x
  3. Step 3: Cross multiply
    207,910,109,074.28x = 286,917,635,150.30 × 115,212,511,963.65
  4. Step 4: Simplify right side
    207,910,109,074.28x = 33,056,501,472,336,101,244,928
  5. Step 5: Solve for x
    x = 33,056,501,472,336,101,244,928/207,910,109,074.28
  6. Step 6: Final answer
    x = 158,994,200,039.24

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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.