Home / 54,915,752.94-75,784,669.23-30,138,245.28

Finding the Fourth Proportional to 54,915,752.94, 75,784,669.23 and 30,138,245.28

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Solution

The fourth proportional to 54,915,752.94, 75,784,669.23 and 30,138,245.28 is: 41,591,288.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915,752.94 : 75,784,669.23 = 30,138,245.28 : x
  2. Step 2: Convert to fraction form
    54,915,752.94/75,784,669.23 = 30,138,245.28/x
  3. Step 3: Cross multiply
    54,915,752.94x = 75,784,669.23 × 30,138,245.28
  4. Step 4: Simplify right side
    54,915,752.94x = 2,284,016,949,717,409
  5. Step 5: Solve for x
    x = 2,284,016,949,717,409/54,915,752.94
  6. Step 6: Final answer
    x = 41,591,288.97

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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.