Home / 72,183,837.30-108,275,755.95-55,177,725.30

Finding the Fourth Proportional to 72,183,837.30, 108,275,755.95 and 55,177,725.30

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Solution

The fourth proportional to 72,183,837.30, 108,275,755.95 and 55,177,725.30 is: 82,766,587.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,837.30 : 108,275,755.95 = 55,177,725.30 : x
  2. Step 2: Convert to fraction form
    72,183,837.30/108,275,755.95 = 55,177,725.30/x
  3. Step 3: Cross multiply
    72,183,837.30x = 108,275,755.95 × 55,177,725.30
  4. Step 4: Simplify right side
    72,183,837.30x = 5,974,409,918,458,940
  5. Step 5: Solve for x
    x = 5,974,409,918,458,940/72,183,837.30
  6. Step 6: Final answer
    x = 82,766,587.95

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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.