Home / 161,729,467.08-242,505,359.46-79,667,783.88

Finding the Fourth Proportional to 161,729,467.08, 242,505,359.46 and 79,667,783.88

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Solution

The fourth proportional to 161,729,467.08, 242,505,359.46 and 79,667,783.88 is: 119,457,912.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,729,467.08 : 242,505,359.46 = 79,667,783.88 : x
  2. Step 2: Convert to fraction form
    161,729,467.08/242,505,359.46 = 79,667,783.88/x
  3. Step 3: Cross multiply
    161,729,467.08x = 242,505,359.46 × 79,667,783.88
  4. Step 4: Simplify right side
    161,729,467.08x = 19,319,864,567,200,992
  5. Step 5: Solve for x
    x = 19,319,864,567,200,992/161,729,467.08
  6. Step 6: Final answer
    x = 119,457,912.75

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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.