Home / 53,946,007.20-80,919,010.80-49,003,605.90

Finding the Fourth Proportional to 53,946,007.20, 80,919,010.80 and 49,003,605.90

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Solution

The fourth proportional to 53,946,007.20, 80,919,010.80 and 49,003,605.90 is: 73,505,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946,007.20 : 80,919,010.80 = 49,003,605.90 : x
  2. Step 2: Convert to fraction form
    53,946,007.20/80,919,010.80 = 49,003,605.90/x
  3. Step 3: Cross multiply
    53,946,007.20x = 80,919,010.80 × 49,003,605.90
  4. Step 4: Simplify right side
    53,946,007.20x = 3,965,323,315,061,043.50
  5. Step 5: Solve for x
    x = 3,965,323,315,061,043.50/53,946,007.20
  6. Step 6: Final answer
    x = 73,505,408.85

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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.