Home / 161,659,271.91-223,089,884.73-87,319,832.06

Finding the Fourth Proportional to 161,659,271.91, 223,089,884.73 and 87,319,832.06

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Solution

The fourth proportional to 161,659,271.91, 223,089,884.73 and 87,319,832.06 is: 120,501,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,271.91 : 223,089,884.73 = 87,319,832.06 : x
  2. Step 2: Convert to fraction form
    161,659,271.91/223,089,884.73 = 87,319,832.06/x
  3. Step 3: Cross multiply
    161,659,271.91x = 223,089,884.73 × 87,319,832.06
  4. Step 4: Simplify right side
    161,659,271.91x = 19,480,171,270,192,368
  5. Step 5: Solve for x
    x = 19,480,171,270,192,368/161,659,271.91
  6. Step 6: Final answer
    x = 120,501,416.59

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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.