Home / 72,183,734.30-108,275,601.45-55,177,622.30

Finding the Fourth Proportional to 72,183,734.30, 108,275,601.45 and 55,177,622.30

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Solution

The fourth proportional to 72,183,734.30, 108,275,601.45 and 55,177,622.30 is: 82,766,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183,734.30 : 108,275,601.45 = 55,177,622.30 : x
  2. Step 2: Convert to fraction form
    72,183,734.30/108,275,601.45 = 55,177,622.30/x
  3. Step 3: Cross multiply
    72,183,734.30x = 108,275,601.45 × 55,177,622.30
  4. Step 4: Simplify right side
    72,183,734.30x = 5,974,390,241,113,432
  5. Step 5: Solve for x
    x = 5,974,390,241,113,432/72,183,734.30
  6. Step 6: Final answer
    x = 82,766,433.45

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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.