Home / 161,659,327.56-223,089,961.36-87,319,887.64

Finding the Fourth Proportional to 161,659,327.56, 223,089,961.36 and 87,319,887.64

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Solution

The fourth proportional to 161,659,327.56, 223,089,961.36 and 87,319,887.64 is: 120,501,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,327.56 : 223,089,961.36 = 87,319,887.64 : x
  2. Step 2: Convert to fraction form
    161,659,327.56/223,089,961.36 = 87,319,887.64/x
  3. Step 3: Cross multiply
    161,659,327.56x = 223,089,961.36 × 87,319,887.64
  4. Step 4: Simplify right side
    161,659,327.56x = 19,480,190,359,567,144
  5. Step 5: Solve for x
    x = 19,480,190,359,567,144/161,659,327.56
  6. Step 6: Final answer
    x = 120,501,493.19

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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.