Home / 161,659,293.44-223,089,914.46-87,319,853.65

Finding the Fourth Proportional to 161,659,293.44, 223,089,914.46 and 87,319,853.65

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Solution

The fourth proportional to 161,659,293.44, 223,089,914.46 and 87,319,853.65 is: 120,501,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,293.44 : 223,089,914.46 = 87,319,853.65 : x
  2. Step 2: Convert to fraction form
    161,659,293.44/223,089,914.46 = 87,319,853.65/x
  3. Step 3: Cross multiply
    161,659,293.44x = 223,089,914.46 × 87,319,853.65
  4. Step 4: Simplify right side
    161,659,293.44x = 19,480,178,681,207,944
  5. Step 5: Solve for x
    x = 19,480,178,681,207,944/161,659,293.44
  6. Step 6: Final answer
    x = 120,501,446.38

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Double scale
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1.5x scale

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.