Home / 49,451,965.20-74,086,947-31,004,401.68

Finding the Fourth Proportional to 49,451,965.20, 74,086,947 and 31,004,401.68

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Solution

The fourth proportional to 49,451,965.20, 74,086,947 and 31,004,401.68 is: 46,449,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,451,965.20 : 74,086,947 = 31,004,401.68 : x
  2. Step 2: Convert to fraction form
    49,451,965.20/74,086,947 = 31,004,401.68/x
  3. Step 3: Cross multiply
    49,451,965.20x = 74,086,947 × 31,004,401.68
  4. Step 4: Simplify right side
    49,451,965.20x = 2,297,021,464,032,871
  5. Step 5: Solve for x
    x = 2,297,021,464,032,871/49,451,965.20
  6. Step 6: Final answer
    x = 46,449,548.66

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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.