Home / 165,969,968.55-248,954,952.83-161,186,999.55

Finding the Fourth Proportional to 165,969,968.55, 248,954,952.83 and 161,186,999.55

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Solution

The fourth proportional to 165,969,968.55, 248,954,952.83 and 161,186,999.55 is: 241,780,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,969,968.55 : 248,954,952.83 = 161,186,999.55 : x
  2. Step 2: Convert to fraction form
    165,969,968.55/248,954,952.83 = 161,186,999.55/x
  3. Step 3: Cross multiply
    165,969,968.55x = 248,954,952.83 × 161,186,999.55
  4. Step 4: Simplify right side
    165,969,968.55x = 40,128,301,868,973,544
  5. Step 5: Solve for x
    x = 40,128,301,868,973,544/165,969,968.55
  6. Step 6: Final answer
    x = 241,780,499.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.