Home / 269,736,261.09-372,236,035.78-145,976,938.21

Finding the Fourth Proportional to 269,736,261.09, 372,236,035.78 and 145,976,938.21

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Solution

The fourth proportional to 269,736,261.09, 372,236,035.78 and 145,976,938.21 is: 201,448,172.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,736,261.09 : 372,236,035.78 = 145,976,938.21 : x
  2. Step 2: Convert to fraction form
    269,736,261.09/372,236,035.78 = 145,976,938.21/x
  3. Step 3: Cross multiply
    269,736,261.09x = 372,236,035.78 × 145,976,938.21
  4. Step 4: Simplify right side
    269,736,261.09x = 54,337,876,794,592,408
  5. Step 5: Solve for x
    x = 54,337,876,794,592,408/269,736,261.09
  6. Step 6: Final answer
    x = 201,448,172.28

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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.