Home / 161,691,659.60-223,135,071.12-88,352,801.60

Finding the Fourth Proportional to 161,691,659.60, 223,135,071.12 and 88,352,801.60

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Solution

The fourth proportional to 161,691,659.60, 223,135,071.12 and 88,352,801.60 is: 121,927,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,691,659.60 : 223,135,071.12 = 88,352,801.60 : x
  2. Step 2: Convert to fraction form
    161,691,659.60/223,135,071.12 = 88,352,801.60/x
  3. Step 3: Cross multiply
    161,691,659.60x = 223,135,071.12 × 88,352,801.60
  4. Step 4: Simplify right side
    161,691,659.60x = 19,714,608,668,667,248
  5. Step 5: Solve for x
    x = 19,714,608,668,667,248/161,691,659.60
  6. Step 6: Final answer
    x = 121,927,183.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.