Home / 74,497,249.58-102,815,993.96-42,719,854.85

Finding the Fourth Proportional to 74,497,249.58, 102,815,993.96 and 42,719,854.85

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Solution

The fourth proportional to 74,497,249.58, 102,815,993.96 and 42,719,854.85 is: 58,959,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497,249.58 : 102,815,993.96 = 42,719,854.85 : x
  2. Step 2: Convert to fraction form
    74,497,249.58/102,815,993.96 = 42,719,854.85/x
  3. Step 3: Cross multiply
    74,497,249.58x = 102,815,993.96 × 42,719,854.85
  4. Step 4: Simplify right side
    74,497,249.58x = 4,392,284,337,822,396.50
  5. Step 5: Solve for x
    x = 4,392,284,337,822,396.50/74,497,249.58
  6. Step 6: Final answer
    x = 58,959,013.42

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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.