Home / 54,518,138.10-81,777,207.15-36,378,285.30

Finding the Fourth Proportional to 54,518,138.10, 81,777,207.15 and 36,378,285.30

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Solution

The fourth proportional to 54,518,138.10, 81,777,207.15 and 36,378,285.30 is: 54,567,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,518,138.10 : 81,777,207.15 = 36,378,285.30 : x
  2. Step 2: Convert to fraction form
    54,518,138.10/81,777,207.15 = 36,378,285.30/x
  3. Step 3: Cross multiply
    54,518,138.10x = 81,777,207.15 × 36,378,285.30
  4. Step 4: Simplify right side
    54,518,138.10x = 2,974,914,572,739,900
  5. Step 5: Solve for x
    x = 2,974,914,572,739,900/54,518,138.10
  6. Step 6: Final answer
    x = 54,567,427.95

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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.