Home / 161,374,395,163.61-222,696,749,866.20-88,131,628,560.85

Finding the Fourth Proportional to 161,374,395,163.61, 222,696,749,866.20 and 88,131,628,560.85

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Solution

The fourth proportional to 161,374,395,163.61, 222,696,749,866.20 and 88,131,628,560.85 is: 121,621,693,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,374,395,163.61 : 222,696,749,866.20 = 88,131,628,560.85 : x
  2. Step 2: Convert to fraction form
    161,374,395,163.61/222,696,749,866.20 = 88,131,628,560.85/x
  3. Step 3: Cross multiply
    161,374,395,163.61x = 222,696,749,866.20 × 88,131,628,560.85
  4. Step 4: Simplify right side
    161,374,395,163.61x = 19,626,627,240,916,018,003,968
  5. Step 5: Solve for x
    x = 19,626,627,240,916,018,003,968/161,374,395,163.61
  6. Step 6: Final answer
    x = 121,621,693,584.15

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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.