Home / 54,449,248.40-81,673,872.60-49,063,979.60

Finding the Fourth Proportional to 54,449,248.40, 81,673,872.60 and 49,063,979.60

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Solution

The fourth proportional to 54,449,248.40, 81,673,872.60 and 49,063,979.60 is: 73,595,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449,248.40 : 81,673,872.60 = 49,063,979.60 : x
  2. Step 2: Convert to fraction form
    54,449,248.40/81,673,872.60 = 49,063,979.60/x
  3. Step 3: Cross multiply
    54,449,248.40x = 81,673,872.60 × 49,063,979.60
  4. Step 4: Simplify right side
    54,449,248.40x = 4,007,245,219,099,399
  5. Step 5: Solve for x
    x = 4,007,245,219,099,399/54,449,248.40
  6. Step 6: Final answer
    x = 73,595,969.40

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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.