Home / 55,167,704.35-76,128,618.21-30,387,357.74

Finding the Fourth Proportional to 55,167,704.35, 76,128,618.21 and 30,387,357.74

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Solution

The fourth proportional to 55,167,704.35, 76,128,618.21 and 30,387,357.74 is: 41,933,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,167,704.35 : 76,128,618.21 = 30,387,357.74 : x
  2. Step 2: Convert to fraction form
    55,167,704.35/76,128,618.21 = 30,387,357.74/x
  3. Step 3: Cross multiply
    55,167,704.35x = 76,128,618.21 × 30,387,357.74
  4. Step 4: Simplify right side
    55,167,704.35x = 2,313,347,555,799,148
  5. Step 5: Solve for x
    x = 2,313,347,555,799,148/55,167,704.35
  6. Step 6: Final answer
    x = 41,933,003.79

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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.