Home / 207,910,109,063.41-286,917,635,135.25-115,212,511,952.78

Finding the Fourth Proportional to 207,910,109,063.41, 286,917,635,135.25 and 115,212,511,952.78

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Solution

The fourth proportional to 207,910,109,063.41, 286,917,635,135.25 and 115,212,511,952.78 is: 158,994,200,024.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,910,109,063.41 : 286,917,635,135.25 = 115,212,511,952.78 : x
  2. Step 2: Convert to fraction form
    207,910,109,063.41/286,917,635,135.25 = 115,212,511,952.78/x
  3. Step 3: Cross multiply
    207,910,109,063.41x = 286,917,635,135.25 × 115,212,511,952.78
  4. Step 4: Simplify right side
    207,910,109,063.41x = 33,056,501,467,483,362,820,096
  5. Step 5: Solve for x
    x = 33,056,501,467,483,362,820,096/207,910,109,063.41
  6. Step 6: Final answer
    x = 158,994,200,024.21

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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.