Home / 231,917,275.95-320,026,816.40-136,532,644.71

Finding the Fourth Proportional to 231,917,275.95, 320,026,816.40 and 136,532,644.71

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Solution

The fourth proportional to 231,917,275.95, 320,026,816.40 and 136,532,644.71 is: 188,403,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,917,275.95 : 320,026,816.40 = 136,532,644.71 : x
  2. Step 2: Convert to fraction form
    231,917,275.95/320,026,816.40 = 136,532,644.71/x
  3. Step 3: Cross multiply
    231,917,275.95x = 320,026,816.40 × 136,532,644.71
  4. Step 4: Simplify right side
    231,917,275.95x = 43,694,107,620,530,936
  5. Step 5: Solve for x
    x = 43,694,107,620,530,936/231,917,275.95
  6. Step 6: Final answer
    x = 188,403,849.78

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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.