Home / 55,049,804.35-75,970,918.92-30,272,022.61

Finding the Fourth Proportional to 55,049,804.35, 75,970,918.92 and 30,272,022.61

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Solution

The fourth proportional to 55,049,804.35, 75,970,918.92 and 30,272,022.61 is: 41,776,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,049,804.35 : 75,970,918.92 = 30,272,022.61 : x
  2. Step 2: Convert to fraction form
    55,049,804.35/75,970,918.92 = 30,272,022.61/x
  3. Step 3: Cross multiply
    55,049,804.35x = 75,970,918.92 × 30,272,022.61
  4. Step 4: Simplify right side
    55,049,804.35x = 2,299,793,375,248,717
  5. Step 5: Solve for x
    x = 2,299,793,375,248,717/55,049,804.35
  6. Step 6: Final answer
    x = 41,776,594.89

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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.