Home / 55,685,538.91-76,844,887.14-30,904,286.32

Finding the Fourth Proportional to 55,685,538.91, 76,844,887.14 and 30,904,286.32

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Solution

The fourth proportional to 55,685,538.91, 76,844,887.14 and 30,904,286.32 is: 42,647,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,685,538.91 : 76,844,887.14 = 30,904,286.32 : x
  2. Step 2: Convert to fraction form
    55,685,538.91/76,844,887.14 = 30,904,286.32/x
  3. Step 3: Cross multiply
    55,685,538.91x = 76,844,887.14 × 30,904,286.32
  4. Step 4: Simplify right side
    55,685,538.91x = 2,374,836,394,402,646
  5. Step 5: Solve for x
    x = 2,374,836,394,402,646/55,685,538.91
  6. Step 6: Final answer
    x = 42,647,273.26

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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.