Home / 31,815,395,933.48-43,907,206,117.85-17,542,179,417.90

Finding the Fourth Proportional to 31,815,395,933.48, 43,907,206,117.85 and 17,542,179,417.90

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Solution

The fourth proportional to 31,815,395,933.48, 43,907,206,117.85 and 17,542,179,417.90 is: 24,209,288,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,815,395,933.48 : 43,907,206,117.85 = 17,542,179,417.90 : x
  2. Step 2: Convert to fraction form
    31,815,395,933.48/43,907,206,117.85 = 17,542,179,417.90/x
  3. Step 3: Cross multiply
    31,815,395,933.48x = 43,907,206,117.85 × 17,542,179,417.90
  4. Step 4: Simplify right side
    31,815,395,933.48x = 770,228,087,458,190,458,880
  5. Step 5: Solve for x
    x = 770,228,087,458,190,458,880/31,815,395,933.48
  6. Step 6: Final answer
    x = 24,209,288,140.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.