Home / 151,726,640.60-209,382,761.49-82,112,021.49

Finding the Fourth Proportional to 151,726,640.60, 209,382,761.49 and 82,112,021.49

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Solution

The fourth proportional to 151,726,640.60, 209,382,761.49 and 82,112,021.49 is: 113,314,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726,640.60 : 209,382,761.49 = 82,112,021.49 : x
  2. Step 2: Convert to fraction form
    151,726,640.60/209,382,761.49 = 82,112,021.49/x
  3. Step 3: Cross multiply
    151,726,640.60x = 209,382,761.49 × 82,112,021.49
  4. Step 4: Simplify right side
    151,726,640.60x = 17,192,841,810,044,264
  5. Step 5: Solve for x
    x = 17,192,841,810,044,264/151,726,640.60
  6. Step 6: Final answer
    x = 113,314,588.27

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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.