Home / 31,731,115,924.30-43,789,287,193.17-17,263,293,128.23

Finding the Fourth Proportional to 31,731,115,924.30, 43,789,287,193.17 and 17,263,293,128.23

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Solution

The fourth proportional to 31,731,115,924.30, 43,789,287,193.17 and 17,263,293,128.23 is: 23,823,533,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731,115,924.30 : 43,789,287,193.17 = 17,263,293,128.23 : x
  2. Step 2: Convert to fraction form
    31,731,115,924.30/43,789,287,193.17 = 17,263,293,128.23/x
  3. Step 3: Cross multiply
    31,731,115,924.30x = 43,789,287,193.17 × 17,263,293,128.23
  4. Step 4: Simplify right side
    31,731,115,924.30x = 755,947,300,691,722,502,144
  5. Step 5: Solve for x
    x = 755,947,300,691,722,502,144/31,731,115,924.30
  6. Step 6: Final answer
    x = 23,823,533,420.48

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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.