Home / 66,777,732.39-92,239,714.94-55,221,974.31

Finding the Fourth Proportional to 66,777,732.39, 92,239,714.94 and 55,221,974.31

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Solution

The fourth proportional to 66,777,732.39, 92,239,714.94 and 55,221,974.31 is: 76,277,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777,732.39 : 92,239,714.94 = 55,221,974.31 : x
  2. Step 2: Convert to fraction form
    66,777,732.39/92,239,714.94 = 55,221,974.31/x
  3. Step 3: Cross multiply
    66,777,732.39x = 92,239,714.94 × 55,221,974.31
  4. Step 4: Simplify right side
    66,777,732.39x = 5,093,659,168,778,403
  5. Step 5: Solve for x
    x = 5,093,659,168,778,403/66,777,732.39
  6. Step 6: Final answer
    x = 76,277,809.78

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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.