Home / 268,646,982.80-402,298,627.80-214,899,270.80

Finding the Fourth Proportional to 268,646,982.80, 402,298,627.80 and 214,899,270.80

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Solution

The fourth proportional to 268,646,982.80, 402,298,627.80 and 214,899,270.80 is: 321,811,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,646,982.80 : 402,298,627.80 = 214,899,270.80 : x
  2. Step 2: Convert to fraction form
    268,646,982.80/402,298,627.80 = 214,899,270.80/x
  3. Step 3: Cross multiply
    268,646,982.80x = 402,298,627.80 × 214,899,270.80
  4. Step 4: Simplify right side
    268,646,982.80x = 86,453,681,758,060,608
  5. Step 5: Solve for x
    x = 86,453,681,758,060,608/268,646,982.80
  6. Step 6: Final answer
    x = 321,811,474.88

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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.