Home / 161,659,322.38-223,089,954.51-87,319,882.63

Finding the Fourth Proportional to 161,659,322.38, 223,089,954.51 and 87,319,882.63

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Solution

The fourth proportional to 161,659,322.38, 223,089,954.51 and 87,319,882.63 is: 120,501,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,659,322.38 : 223,089,954.51 = 87,319,882.63 : x
  2. Step 2: Convert to fraction form
    161,659,322.38/223,089,954.51 = 87,319,882.63/x
  3. Step 3: Cross multiply
    161,659,322.38x = 223,089,954.51 × 87,319,882.63
  4. Step 4: Simplify right side
    161,659,322.38x = 19,480,188,643,745,236
  5. Step 5: Solve for x
    x = 19,480,188,643,745,236/161,659,322.38
  6. Step 6: Final answer
    x = 120,501,486.44

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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.