Home / 202,175,999.20-303,263,998.80-199,152,690.40

Finding the Fourth Proportional to 202,175,999.20, 303,263,998.80 and 199,152,690.40

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Solution

The fourth proportional to 202,175,999.20, 303,263,998.80 and 199,152,690.40 is: 298,729,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,175,999.20 : 303,263,998.80 = 199,152,690.40 : x
  2. Step 2: Convert to fraction form
    202,175,999.20/303,263,998.80 = 199,152,690.40/x
  3. Step 3: Cross multiply
    202,175,999.20x = 303,263,998.80 × 199,152,690.40
  4. Step 4: Simplify right side
    202,175,999.20x = 60,395,841,262,482,376
  5. Step 5: Solve for x
    x = 60,395,841,262,482,376/202,175,999.20
  6. Step 6: Final answer
    x = 298,729,035.60

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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.