Home / 211,514,555.93-291,891,143.63-132,175,686.97

Finding the Fourth Proportional to 211,514,555.93, 291,891,143.63 and 132,175,686.97

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Solution

The fourth proportional to 211,514,555.93, 291,891,143.63 and 132,175,686.97 is: 182,403,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,514,555.93 : 291,891,143.63 = 132,175,686.97 : x
  2. Step 2: Convert to fraction form
    211,514,555.93/291,891,143.63 = 132,175,686.97/x
  3. Step 3: Cross multiply
    211,514,555.93x = 291,891,143.63 × 132,175,686.97
  4. Step 4: Simplify right side
    211,514,555.93x = 38,580,912,429,754,192
  5. Step 5: Solve for x
    x = 38,580,912,429,754,192/211,514,555.93
  6. Step 6: Final answer
    x = 182,403,108.19

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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.