Home / 92,505,420,569.52-138,660,198,012.40-31,115,761,583.79

Finding the Fourth Proportional to 92,505,420,569.52, 138,660,198,012.40 and 31,115,761,583.79

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Solution

The fourth proportional to 92,505,420,569.52, 138,660,198,012.40 and 31,115,761,583.79 is: 46,640,701,009.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,505,420,569.52 : 138,660,198,012.40 = 31,115,761,583.79 : x
  2. Step 2: Convert to fraction form
    92,505,420,569.52/138,660,198,012.40 = 31,115,761,583.79/x
  3. Step 3: Cross multiply
    92,505,420,569.52x = 138,660,198,012.40 × 31,115,761,583.79
  4. Step 4: Simplify right side
    92,505,420,569.52x = 4,314,517,662,514,950,438,912
  5. Step 5: Solve for x
    x = 4,314,517,662,514,950,438,912/92,505,420,569.52
  6. Step 6: Final answer
    x = 46,640,701,009.22

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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.