Home / 53,230,179.12-79,890,058.44-49,870,947.12

Finding the Fourth Proportional to 53,230,179.12, 79,890,058.44 and 49,870,947.12

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Solution

The fourth proportional to 53,230,179.12, 79,890,058.44 and 49,870,947.12 is: 74,848,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,230,179.12 : 79,890,058.44 = 49,870,947.12 : x
  2. Step 2: Convert to fraction form
    53,230,179.12/79,890,058.44 = 49,870,947.12/x
  3. Step 3: Cross multiply
    53,230,179.12x = 79,890,058.44 × 49,870,947.12
  4. Step 4: Simplify right side
    53,230,179.12x = 3,984,192,879,874,949.50
  5. Step 5: Solve for x
    x = 3,984,192,879,874,949.50/53,230,179.12
  6. Step 6: Final answer
    x = 74,848,383.86

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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.