Home / 202,061,237.80-303,091,856.70-199,373,852.20

Finding the Fourth Proportional to 202,061,237.80, 303,091,856.70 and 199,373,852.20

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Solution

The fourth proportional to 202,061,237.80, 303,091,856.70 and 199,373,852.20 is: 299,060,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,061,237.80 : 303,091,856.70 = 199,373,852.20 : x
  2. Step 2: Convert to fraction form
    202,061,237.80/303,091,856.70 = 199,373,852.20/x
  3. Step 3: Cross multiply
    202,061,237.80x = 303,091,856.70 × 199,373,852.20
  4. Step 4: Simplify right side
    202,061,237.80x = 60,428,591,040,729,376
  5. Step 5: Solve for x
    x = 60,428,591,040,729,376/202,061,237.80
  6. Step 6: Final answer
    x = 299,060,778.30

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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.