Home / 72,790,651.72-109,186,943.05-24,268,520.97

Finding the Fourth Proportional to 72,790,651.72, 109,186,943.05 and 24,268,520.97

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Solution

The fourth proportional to 72,790,651.72, 109,186,943.05 and 24,268,520.97 is: 36,403,103.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,790,651.72 : 109,186,943.05 = 24,268,520.97 : x
  2. Step 2: Convert to fraction form
    72,790,651.72/109,186,943.05 = 24,268,520.97/x
  3. Step 3: Cross multiply
    72,790,651.72x = 109,186,943.05 × 24,268,520.97
  4. Step 4: Simplify right side
    72,790,651.72x = 2,649,805,617,089,456
  5. Step 5: Solve for x
    x = 2,649,805,617,089,456/72,790,651.72
  6. Step 6: Final answer
    x = 36,403,103.34

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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.