Home / 53,180,221.94-73,394,348.82-31,172,212.22

Finding the Fourth Proportional to 53,180,221.94, 73,394,348.82 and 31,172,212.22

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Solution

The fourth proportional to 53,180,221.94, 73,394,348.82 and 31,172,212.22 is: 43,020,960.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180,221.94 : 73,394,348.82 = 31,172,212.22 : x
  2. Step 2: Convert to fraction form
    53,180,221.94/73,394,348.82 = 31,172,212.22/x
  3. Step 3: Cross multiply
    53,180,221.94x = 73,394,348.82 × 31,172,212.22
  4. Step 4: Simplify right side
    53,180,221.94x = 2,287,864,217,165,746.50
  5. Step 5: Solve for x
    x = 2,287,864,217,165,746.50/53,180,221.94
  6. Step 6: Final answer
    x = 43,020,960.31

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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.