Home / 72,744,991.43-109,023,007.94-29,563,944.89

Finding the Fourth Proportional to 72,744,991.43, 109,023,007.94 and 29,563,944.89

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Solution

The fourth proportional to 72,744,991.43, 109,023,007.94 and 29,563,944.89 is: 44,307,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,744,991.43 : 109,023,007.94 = 29,563,944.89 : x
  2. Step 2: Convert to fraction form
    72,744,991.43/109,023,007.94 = 29,563,944.89/x
  3. Step 3: Cross multiply
    72,744,991.43x = 109,023,007.94 × 29,563,944.89
  4. Step 4: Simplify right side
    72,744,991.43x = 3,223,150,198,604,930
  5. Step 5: Solve for x
    x = 3,223,150,198,604,930/72,744,991.43
  6. Step 6: Final answer
    x = 44,307,520.49

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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.