Home / 203,903,998.80-305,855,998.20-181,608,651.60

Finding the Fourth Proportional to 203,903,998.80, 305,855,998.20 and 181,608,651.60

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Solution

The fourth proportional to 203,903,998.80, 305,855,998.20 and 181,608,651.60 is: 272,412,977.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,903,998.80 : 305,855,998.20 = 181,608,651.60 : x
  2. Step 2: Convert to fraction form
    203,903,998.80/305,855,998.20 = 181,608,651.60/x
  3. Step 3: Cross multiply
    203,903,998.80x = 305,855,998.20 × 181,608,651.60
  4. Step 4: Simplify right side
    203,903,998.80x = 55,546,095,416,874,024
  5. Step 5: Solve for x
    x = 55,546,095,416,874,024/203,903,998.80
  6. Step 6: Final answer
    x = 272,412,977.40

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1.5x scale

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.