Home / 165,996,879.20-248,995,318.80-108,665,986.40

Finding the Fourth Proportional to 165,996,879.20, 248,995,318.80 and 108,665,986.40

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Solution

The fourth proportional to 165,996,879.20, 248,995,318.80 and 108,665,986.40 is: 162,998,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,996,879.20 : 248,995,318.80 = 108,665,986.40 : x
  2. Step 2: Convert to fraction form
    165,996,879.20/248,995,318.80 = 108,665,986.40/x
  3. Step 3: Cross multiply
    165,996,879.20x = 248,995,318.80 × 108,665,986.40
  4. Step 4: Simplify right side
    165,996,879.20x = 27,057,321,926,384,468
  5. Step 5: Solve for x
    x = 27,057,321,926,384,468/165,996,879.20
  6. Step 6: Final answer
    x = 162,998,979.60

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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.