Home / 207,910,109,071.10-286,917,635,145.90-115,212,511,960.46

Finding the Fourth Proportional to 207,910,109,071.10, 286,917,635,145.90 and 115,212,511,960.46

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Solution

The fourth proportional to 207,910,109,071.10, 286,917,635,145.90 and 115,212,511,960.46 is: 158,994,200,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,071.10 : 286,917,635,145.90 = 115,212,511,960.46 : x
  2. Step 2: Convert to fraction form
    207,910,109,071.10/286,917,635,145.90 = 115,212,511,960.46/x
  3. Step 3: Cross multiply
    207,910,109,071.10x = 286,917,635,145.90 × 115,212,511,960.46
  4. Step 4: Simplify right side
    207,910,109,071.10x = 33,056,501,470,913,905,033,216
  5. Step 5: Solve for x
    x = 33,056,501,470,913,905,033,216/207,910,109,071.10
  6. Step 6: Final answer
    x = 158,994,200,034.83

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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.