Home / 211,514,556.92-291,891,145-132,175,687.96

Finding the Fourth Proportional to 211,514,556.92, 291,891,145 and 132,175,687.96

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Solution

The fourth proportional to 211,514,556.92, 291,891,145 and 132,175,687.96 is: 182,403,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,556.92 : 291,891,145 = 132,175,687.96 : x
  2. Step 2: Convert to fraction form
    211,514,556.92/291,891,145 = 132,175,687.96/x
  3. Step 3: Cross multiply
    211,514,556.92x = 291,891,145 × 132,175,687.96
  4. Step 4: Simplify right side
    211,514,556.92x = 38,580,912,899,807,112
  5. Step 5: Solve for x
    x = 38,580,912,899,807,112/211,514,556.92
  6. Step 6: Final answer
    x = 182,403,109.56

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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.