Home / 81,852,765.66-122,672,524.95-33,273,875.07

Finding the Fourth Proportional to 81,852,765.66, 122,672,524.95 and 33,273,875.07

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Solution

The fourth proportional to 81,852,765.66, 122,672,524.95 and 33,273,875.07 is: 49,867,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,852,765.66 : 122,672,524.95 = 33,273,875.07 : x
  2. Step 2: Convert to fraction form
    81,852,765.66/122,672,524.95 = 33,273,875.07/x
  3. Step 3: Cross multiply
    81,852,765.66x = 122,672,524.95 × 33,273,875.07
  4. Step 4: Simplify right side
    81,852,765.66x = 4,081,790,269,707,758
  5. Step 5: Solve for x
    x = 4,081,790,269,707,758/81,852,765.66
  6. Step 6: Final answer
    x = 49,867,469.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.