Home / 199,297,007.60-298,945,511.40-148,278,671.60

Finding the Fourth Proportional to 199,297,007.60, 298,945,511.40 and 148,278,671.60

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Solution

The fourth proportional to 199,297,007.60, 298,945,511.40 and 148,278,671.60 is: 222,418,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,297,007.60 : 298,945,511.40 = 148,278,671.60 : x
  2. Step 2: Convert to fraction form
    199,297,007.60/298,945,511.40 = 148,278,671.60/x
  3. Step 3: Cross multiply
    199,297,007.60x = 298,945,511.40 × 148,278,671.60
  4. Step 4: Simplify right side
    199,297,007.60x = 44,327,243,311,174,648
  5. Step 5: Solve for x
    x = 44,327,243,311,174,648/199,297,007.60
  6. Step 6: Final answer
    x = 222,418,007.40

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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.