Home / 211,760,202.78-292,237,865.28-117,673,998.30

Finding the Fourth Proportional to 211,760,202.78, 292,237,865.28 and 117,673,998.30

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Solution

The fourth proportional to 211,760,202.78, 292,237,865.28 and 117,673,998.30 is: 162,394,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,760,202.78 : 292,237,865.28 = 117,673,998.30 : x
  2. Step 2: Convert to fraction form
    211,760,202.78/292,237,865.28 = 117,673,998.30/x
  3. Step 3: Cross multiply
    211,760,202.78x = 292,237,865.28 × 117,673,998.30
  4. Step 4: Simplify right side
    211,760,202.78x = 34,388,798,062,154,344
  5. Step 5: Solve for x
    x = 34,388,798,062,154,344/211,760,202.78
  6. Step 6: Final answer
    x = 162,394,999.68

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1.5x scale

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.