Home / 55,395,876.80-83,093,815.20-31,508,004.80

Finding the Fourth Proportional to 55,395,876.80, 83,093,815.20 and 31,508,004.80

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Solution

The fourth proportional to 55,395,876.80, 83,093,815.20 and 31,508,004.80 is: 47,262,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395,876.80 : 83,093,815.20 = 31,508,004.80 : x
  2. Step 2: Convert to fraction form
    55,395,876.80/83,093,815.20 = 31,508,004.80/x
  3. Step 3: Cross multiply
    55,395,876.80x = 83,093,815.20 × 31,508,004.80
  4. Step 4: Simplify right side
    55,395,876.80x = 2,618,120,328,171,913
  5. Step 5: Solve for x
    x = 2,618,120,328,171,913/55,395,876.80
  6. Step 6: Final answer
    x = 47,262,007.20

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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.