Home / 214,437,851.80-321,656,777.70-178,725,016.60

Finding the Fourth Proportional to 214,437,851.80, 321,656,777.70 and 178,725,016.60

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Solution

The fourth proportional to 214,437,851.80, 321,656,777.70 and 178,725,016.60 is: 268,087,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,437,851.80 : 321,656,777.70 = 178,725,016.60 : x
  2. Step 2: Convert to fraction form
    214,437,851.80/321,656,777.70 = 178,725,016.60/x
  3. Step 3: Cross multiply
    214,437,851.80x = 321,656,777.70 × 178,725,016.60
  4. Step 4: Simplify right side
    214,437,851.80x = 57,488,112,933,935,008
  5. Step 5: Solve for x
    x = 57,488,112,933,935,008/214,437,851.80
  6. Step 6: Final answer
    x = 268,087,524.90

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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.