Home / 75,704,414.78-113,557,523.30-21,113,678.85

Finding the Fourth Proportional to 75,704,414.78, 113,557,523.30 and 21,113,678.85

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Solution

The fourth proportional to 75,704,414.78, 113,557,523.30 and 21,113,678.85 is: 31,670,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,704,414.78 : 113,557,523.30 = 21,113,678.85 : x
  2. Step 2: Convert to fraction form
    75,704,414.78/113,557,523.30 = 21,113,678.85/x
  3. Step 3: Cross multiply
    75,704,414.78x = 113,557,523.30 × 21,113,678.85
  4. Step 4: Simplify right side
    75,704,414.78x = 2,397,617,077,957,592.50
  5. Step 5: Solve for x
    x = 2,397,617,077,957,592.50/75,704,414.78
  6. Step 6: Final answer
    x = 31,670,769.60

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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.