Home / 61,074,344.88-91,592,078.54-20,126,145.15

Finding the Fourth Proportional to 61,074,344.88, 91,592,078.54 and 20,126,145.15

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Solution

The fourth proportional to 61,074,344.88, 91,592,078.54 and 20,126,145.15 is: 30,182,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,074,344.88 : 91,592,078.54 = 20,126,145.15 : x
  2. Step 2: Convert to fraction form
    61,074,344.88/91,592,078.54 = 20,126,145.15/x
  3. Step 3: Cross multiply
    61,074,344.88x = 91,592,078.54 × 20,126,145.15
  4. Step 4: Simplify right side
    61,074,344.88x = 1,843,395,467,185,609.25
  5. Step 5: Solve for x
    x = 1,843,395,467,185,609.25/61,074,344.88
  6. Step 6: Final answer
    x = 30,182,811.96

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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.