Home / 203,904,002.80-305,856,004.20-181,608,655.60

Finding the Fourth Proportional to 203,904,002.80, 305,856,004.20 and 181,608,655.60

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Solution

The fourth proportional to 203,904,002.80, 305,856,004.20 and 181,608,655.60 is: 272,412,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,904,002.80 : 305,856,004.20 = 181,608,655.60 : x
  2. Step 2: Convert to fraction form
    203,904,002.80/305,856,004.20 = 181,608,655.60/x
  3. Step 3: Cross multiply
    203,904,002.80x = 305,856,004.20 × 181,608,655.60
  4. Step 4: Simplify right side
    203,904,002.80x = 55,546,097,729,949,952
  5. Step 5: Solve for x
    x = 55,546,097,729,949,952/203,904,002.80
  6. Step 6: Final answer
    x = 272,412,983.40

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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.