Home / 216,331,262.07-298,551,788.78-122,212,765.77

Finding the Fourth Proportional to 216,331,262.07, 298,551,788.78 and 122,212,765.77

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Solution

The fourth proportional to 216,331,262.07, 298,551,788.78 and 122,212,765.77 is: 168,661,891.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,331,262.07 : 298,551,788.78 = 122,212,765.77 : x
  2. Step 2: Convert to fraction form
    216,331,262.07/298,551,788.78 = 122,212,765.77/x
  3. Step 3: Cross multiply
    216,331,262.07x = 298,551,788.78 × 122,212,765.77
  4. Step 4: Simplify right side
    216,331,262.07x = 36,486,839,831,773,584
  5. Step 5: Solve for x
    x = 36,486,839,831,773,584/216,331,262.07
  6. Step 6: Final answer
    x = 168,661,891.41

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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.