Home / 155,751,279.71-214,912,886.31-89,659,007.73

Finding the Fourth Proportional to 155,751,279.71, 214,912,886.31 and 89,659,007.73

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Solution

The fourth proportional to 155,751,279.71, 214,912,886.31 and 89,659,007.73 is: 123,715,684.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,751,279.71 : 214,912,886.31 = 89,659,007.73 : x
  2. Step 2: Convert to fraction form
    155,751,279.71/214,912,886.31 = 89,659,007.73/x
  3. Step 3: Cross multiply
    155,751,279.71x = 214,912,886.31 × 89,659,007.73
  4. Step 4: Simplify right side
    155,751,279.71x = 19,268,876,134,944,904
  5. Step 5: Solve for x
    x = 19,268,876,134,944,904/155,751,279.71
  6. Step 6: Final answer
    x = 123,715,684.21

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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.