Home / 161,659,324.06-223,089,956.52-87,319,884.17

Finding the Fourth Proportional to 161,659,324.06, 223,089,956.52 and 87,319,884.17

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Solution

The fourth proportional to 161,659,324.06, 223,089,956.52 and 87,319,884.17 is: 120,501,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,324.06 : 223,089,956.52 = 87,319,884.17 : x
  2. Step 2: Convert to fraction form
    161,659,324.06/223,089,956.52 = 87,319,884.17/x
  3. Step 3: Cross multiply
    161,659,324.06x = 223,089,956.52 × 87,319,884.17
  4. Step 4: Simplify right side
    161,659,324.06x = 19,480,189,162,816,736
  5. Step 5: Solve for x
    x = 19,480,189,162,816,736/161,659,324.06
  6. Step 6: Final answer
    x = 120,501,488.40

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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.