Home / 211,514,555.43-291,891,142.94-132,175,686.47

Finding the Fourth Proportional to 211,514,555.43, 291,891,142.94 and 132,175,686.47

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Solution

The fourth proportional to 211,514,555.43, 291,891,142.94 and 132,175,686.47 is: 182,403,107.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,555.43 : 291,891,142.94 = 132,175,686.47 : x
  2. Step 2: Convert to fraction form
    211,514,555.43/291,891,142.94 = 132,175,686.47/x
  3. Step 3: Cross multiply
    211,514,555.43x = 291,891,142.94 × 132,175,686.47
  4. Step 4: Simplify right side
    211,514,555.43x = 38,580,912,191,147,936
  5. Step 5: Solve for x
    x = 38,580,912,191,147,936/211,514,555.43
  6. Step 6: Final answer
    x = 182,403,107.50

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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.