Home / 72,783,893.79-109,213,625.33-29,684,716.83

Finding the Fourth Proportional to 72,783,893.79, 109,213,625.33 and 29,684,716.83

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Solution

The fourth proportional to 72,783,893.79, 109,213,625.33 and 29,684,716.83 is: 44,542,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,783,893.79 : 109,213,625.33 = 29,684,716.83 : x
  2. Step 2: Convert to fraction form
    72,783,893.79/109,213,625.33 = 29,684,716.83/x
  3. Step 3: Cross multiply
    72,783,893.79x = 109,213,625.33 × 29,684,716.83
  4. Step 4: Simplify right side
    72,783,893.79x = 3,241,975,541,898,765
  5. Step 5: Solve for x
    x = 3,241,975,541,898,765/72,783,893.79
  6. Step 6: Final answer
    x = 44,542,485.61

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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.