Home / 211,055,821.91-291,257,061.89-116,976,042.82

Finding the Fourth Proportional to 211,055,821.91, 291,257,061.89 and 116,976,042.82

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Solution

The fourth proportional to 211,055,821.91, 291,257,061.89 and 116,976,042.82 is: 161,426,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,055,821.91 : 291,257,061.89 = 116,976,042.82 : x
  2. Step 2: Convert to fraction form
    211,055,821.91/291,257,061.89 = 116,976,042.82/x
  3. Step 3: Cross multiply
    211,055,821.91x = 291,257,061.89 × 116,976,042.82
  4. Step 4: Simplify right side
    211,055,821.91x = 34,070,098,543,272,028
  5. Step 5: Solve for x
    x = 34,070,098,543,272,028/211,055,821.91
  6. Step 6: Final answer
    x = 161,426,954.42

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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.