Home / 118,858,201.20-178,287,301.80-108,276,620.40

Finding the Fourth Proportional to 118,858,201.20, 178,287,301.80 and 108,276,620.40

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Solution

The fourth proportional to 118,858,201.20, 178,287,301.80 and 108,276,620.40 is: 162,414,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,858,201.20 : 178,287,301.80 = 108,276,620.40 : x
  2. Step 2: Convert to fraction form
    118,858,201.20/178,287,301.80 = 108,276,620.40/x
  3. Step 3: Cross multiply
    118,858,201.20x = 178,287,301.80 × 108,276,620.40
  4. Step 4: Simplify right side
    118,858,201.20x = 19,304,346,499,138,840
  5. Step 5: Solve for x
    x = 19,304,346,499,138,840/118,858,201.20
  6. Step 6: Final answer
    x = 162,414,930.60

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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.