Home / 214,440,340.80-321,660,511.20-178,727,505.60

Finding the Fourth Proportional to 214,440,340.80, 321,660,511.20 and 178,727,505.60

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Solution

The fourth proportional to 214,440,340.80, 321,660,511.20 and 178,727,505.60 is: 268,091,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,440,340.80 : 321,660,511.20 = 178,727,505.60 : x
  2. Step 2: Convert to fraction form
    214,440,340.80/321,660,511.20 = 178,727,505.60/x
  3. Step 3: Cross multiply
    214,440,340.80x = 321,660,511.20 × 178,727,505.60
  4. Step 4: Simplify right side
    214,440,340.80x = 57,489,580,816,796,856
  5. Step 5: Solve for x
    x = 57,489,580,816,796,856/214,440,340.80
  6. Step 6: Final answer
    x = 268,091,258.40

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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.