Home / 247,370,637.30-371,101,571.37-81,383,488.26

Finding the Fourth Proportional to 247,370,637.30, 371,101,571.37 and 81,383,488.26

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Solution

The fourth proportional to 247,370,637.30, 371,101,571.37 and 81,383,488.26 is: 122,090,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,370,637.30 : 371,101,571.37 = 81,383,488.26 : x
  2. Step 2: Convert to fraction form
    247,370,637.30/371,101,571.37 = 81,383,488.26/x
  3. Step 3: Cross multiply
    247,370,637.30x = 371,101,571.37 × 81,383,488.26
  4. Step 4: Simplify right side
    247,370,637.30x = 30,201,540,376,857,948
  5. Step 5: Solve for x
    x = 30,201,540,376,857,948/247,370,637.30
  6. Step 6: Final answer
    x = 122,090,239.60

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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.