Home / 54,652,631.30-81,993,319.43-19,641,279.78

Finding the Fourth Proportional to 54,652,631.30, 81,993,319.43 and 19,641,279.78

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Solution

The fourth proportional to 54,652,631.30, 81,993,319.43 and 19,641,279.78 is: 29,467,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652,631.30 : 81,993,319.43 = 19,641,279.78 : x
  2. Step 2: Convert to fraction form
    54,652,631.30/81,993,319.43 = 19,641,279.78/x
  3. Step 3: Cross multiply
    54,652,631.30x = 81,993,319.43 × 19,641,279.78
  4. Step 4: Simplify right side
    54,652,631.30x = 1,610,453,726,917,333.75
  5. Step 5: Solve for x
    x = 1,610,453,726,917,333.75/54,652,631.30
  6. Step 6: Final answer
    x = 29,467,084.91

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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.