Home / 55,491,037.53-76,577,067.66-30,711,272.50

Finding the Fourth Proportional to 55,491,037.53, 76,577,067.66 and 30,711,272.50

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Solution

The fourth proportional to 55,491,037.53, 76,577,067.66 and 30,711,272.50 is: 42,381,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,491,037.53 : 76,577,067.66 = 30,711,272.50 : x
  2. Step 2: Convert to fraction form
    55,491,037.53/76,577,067.66 = 30,711,272.50/x
  3. Step 3: Cross multiply
    55,491,037.53x = 76,577,067.66 × 30,711,272.50
  4. Step 4: Simplify right side
    55,491,037.53x = 2,351,779,192,157,197
  5. Step 5: Solve for x
    x = 2,351,779,192,157,197/55,491,037.53
  6. Step 6: Final answer
    x = 42,381,243.83

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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.