Home / 268,019,738.80-402,029,608.20-214,272,026.80

Finding the Fourth Proportional to 268,019,738.80, 402,029,608.20 and 214,272,026.80

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Solution

The fourth proportional to 268,019,738.80, 402,029,608.20 and 214,272,026.80 is: 321,408,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,019,738.80 : 402,029,608.20 = 214,272,026.80 : x
  2. Step 2: Convert to fraction form
    268,019,738.80/402,029,608.20 = 214,272,026.80/x
  3. Step 3: Cross multiply
    268,019,738.80x = 402,029,608.20 × 214,272,026.80
  4. Step 4: Simplify right side
    268,019,738.80x = 86,143,698,982,623,904
  5. Step 5: Solve for x
    x = 86,143,698,982,623,904/268,019,738.80
  6. Step 6: Final answer
    x = 321,408,040.20

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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.