Home / 81,457,433.10-122,192,054.55-49,039,532.10

Finding the Fourth Proportional to 81,457,433.10, 122,192,054.55 and 49,039,532.10

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Solution

The fourth proportional to 81,457,433.10, 122,192,054.55 and 49,039,532.10 is: 73,562,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,457,433.10 : 122,192,054.55 = 49,039,532.10 : x
  2. Step 2: Convert to fraction form
    81,457,433.10/122,192,054.55 = 49,039,532.10/x
  3. Step 3: Cross multiply
    81,457,433.10x = 122,192,054.55 × 49,039,532.10
  4. Step 4: Simplify right side
    81,457,433.10x = 5,992,241,181,469,676
  5. Step 5: Solve for x
    x = 5,992,241,181,469,676/81,457,433.10
  6. Step 6: Final answer
    x = 73,562,853.06

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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.