Home / 54,281,624.40-81,422,436.60-18,379,832.40

Finding the Fourth Proportional to 54,281,624.40, 81,422,436.60 and 18,379,832.40

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Solution

The fourth proportional to 54,281,624.40, 81,422,436.60 and 18,379,832.40 is: 27,569,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281,624.40 : 81,422,436.60 = 18,379,832.40 : x
  2. Step 2: Convert to fraction form
    54,281,624.40/81,422,436.60 = 18,379,832.40/x
  3. Step 3: Cross multiply
    54,281,624.40x = 81,422,436.60 × 18,379,832.40
  4. Step 4: Simplify right side
    54,281,624.40x = 1,496,530,738,307,625.50
  5. Step 5: Solve for x
    x = 1,496,530,738,307,625.50/54,281,624.40
  6. Step 6: Final answer
    x = 27,569,748.60

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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.