Home / 75,536,754.59-113,305,125.69-20,949,339.53

Finding the Fourth Proportional to 75,536,754.59, 113,305,125.69 and 20,949,339.53

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Solution

The fourth proportional to 75,536,754.59, 113,305,125.69 and 20,949,339.53 is: 31,424,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536,754.59 : 113,305,125.69 = 20,949,339.53 : x
  2. Step 2: Convert to fraction form
    75,536,754.59/113,305,125.69 = 20,949,339.53/x
  3. Step 3: Cross multiply
    75,536,754.59x = 113,305,125.69 × 20,949,339.53
  4. Step 4: Simplify right side
    75,536,754.59x = 2,373,667,548,569,135.50
  5. Step 5: Solve for x
    x = 2,373,667,548,569,135.50/75,536,754.59
  6. Step 6: Final answer
    x = 31,424,007.58

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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.