Home / 81,068,456.82-121,639,739.83-44,125,003.07

Finding the Fourth Proportional to 81,068,456.82, 121,639,739.83 and 44,125,003.07

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Solution

The fourth proportional to 81,068,456.82, 121,639,739.83 and 44,125,003.07 is: 66,207,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,068,456.82 : 121,639,739.83 = 44,125,003.07 : x
  2. Step 2: Convert to fraction form
    81,068,456.82/121,639,739.83 = 44,125,003.07/x
  3. Step 3: Cross multiply
    81,068,456.82x = 121,639,739.83 × 44,125,003.07
  4. Step 4: Simplify right side
    81,068,456.82x = 5,367,353,892,714,240
  5. Step 5: Solve for x
    x = 5,367,353,892,714,240/81,068,456.82
  6. Step 6: Final answer
    x = 66,207,673.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.