Home / 45,694,531.20-68,505,909.52-31,273,879.48

Finding the Fourth Proportional to 45,694,531.20, 68,505,909.52 and 31,273,879.48

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Solution

The fourth proportional to 45,694,531.20, 68,505,909.52 and 31,273,879.48 is: 46,886,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,694,531.20 : 68,505,909.52 = 31,273,879.48 : x
  2. Step 2: Convert to fraction form
    45,694,531.20/68,505,909.52 = 31,273,879.48/x
  3. Step 3: Cross multiply
    45,694,531.20x = 68,505,909.52 × 31,273,879.48
  4. Step 4: Simplify right side
    45,694,531.20x = 2,142,445,557,996,264.50
  5. Step 5: Solve for x
    x = 2,142,445,557,996,264.50/45,694,531.20
  6. Step 6: Final answer
    x = 46,886,257.54

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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.