Home / 49,716,819.90-74,449,258.65-39,639,123.90

Finding the Fourth Proportional to 49,716,819.90, 74,449,258.65 and 39,639,123.90

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Solution

The fourth proportional to 49,716,819.90, 74,449,258.65 and 39,639,123.90 is: 59,358,249.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,716,819.90 : 74,449,258.65 = 39,639,123.90 : x
  2. Step 2: Convert to fraction form
    49,716,819.90/74,449,258.65 = 39,639,123.90/x
  3. Step 3: Cross multiply
    49,716,819.90x = 74,449,258.65 × 39,639,123.90
  4. Step 4: Simplify right side
    49,716,819.90x = 2,951,103,387,890,497
  5. Step 5: Solve for x
    x = 2,951,103,387,890,497/49,716,819.90
  6. Step 6: Final answer
    x = 59,358,249.26

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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.