Home / 291,575,874-402,383,104.20-161,204,080.08

Finding the Fourth Proportional to 291,575,874, 402,383,104.20 and 161,204,080.08

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Solution

The fourth proportional to 291,575,874, 402,383,104.20 and 161,204,080.08 is: 222,466,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,575,874 : 402,383,104.20 = 161,204,080.08 : x
  2. Step 2: Convert to fraction form
    291,575,874/402,383,104.20 = 161,204,080.08/x
  3. Step 3: Cross multiply
    291,575,874x = 402,383,104.20 × 161,204,080.08
  4. Step 4: Simplify right side
    291,575,874x = 64,865,798,152,295,784
  5. Step 5: Solve for x
    x = 64,865,798,152,295,784/291,575,874
  6. Step 6: Final answer
    x = 222,466,273.57

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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.