Home / 291,091,199.16-401,741,080.26-165,673,890.12

Finding the Fourth Proportional to 291,091,199.16, 401,741,080.26 and 165,673,890.12

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Solution

The fourth proportional to 291,091,199.16, 401,741,080.26 and 165,673,890.12 is: 228,650,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,091,199.16 : 401,741,080.26 = 165,673,890.12 : x
  2. Step 2: Convert to fraction form
    291,091,199.16/401,741,080.26 = 165,673,890.12/x
  3. Step 3: Cross multiply
    291,091,199.16x = 401,741,080.26 × 165,673,890.12
  4. Step 4: Simplify right side
    291,091,199.16x = 66,558,007,587,685,344
  5. Step 5: Solve for x
    x = 66,558,007,587,685,344/291,091,199.16
  6. Step 6: Final answer
    x = 228,650,016.83

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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.