Home / 54,518,138.60-81,777,207.90-36,378,285.80

Finding the Fourth Proportional to 54,518,138.60, 81,777,207.90 and 36,378,285.80

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Solution

The fourth proportional to 54,518,138.60, 81,777,207.90 and 36,378,285.80 is: 54,567,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,138.60 : 81,777,207.90 = 36,378,285.80 : x
  2. Step 2: Convert to fraction form
    54,518,138.60/81,777,207.90 = 36,378,285.80/x
  3. Step 3: Cross multiply
    54,518,138.60x = 81,777,207.90 × 36,378,285.80
  4. Step 4: Simplify right side
    54,518,138.60x = 2,974,914,640,912,218
  5. Step 5: Solve for x
    x = 2,974,914,640,912,218/54,518,138.60
  6. Step 6: Final answer
    x = 54,567,428.70

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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.