Home / 54,436,034.40-81,775,702.80-45,478,082.40

Finding the Fourth Proportional to 54,436,034.40, 81,775,702.80 and 45,478,082.40

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Solution

The fourth proportional to 54,436,034.40, 81,775,702.80 and 45,478,082.40 is: 68,318,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436,034.40 : 81,775,702.80 = 45,478,082.40 : x
  2. Step 2: Convert to fraction form
    54,436,034.40/81,775,702.80 = 45,478,082.40/x
  3. Step 3: Cross multiply
    54,436,034.40x = 81,775,702.80 × 45,478,082.40
  4. Step 4: Simplify right side
    54,436,034.40x = 3,719,002,150,256,310.50
  5. Step 5: Solve for x
    x = 3,719,002,150,256,310.50/54,436,034.40
  6. Step 6: Final answer
    x = 68,318,755.97

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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.