Home / 214,438,206.80-321,657,310.20-178,725,371.60

Finding the Fourth Proportional to 214,438,206.80, 321,657,310.20 and 178,725,371.60

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Solution

The fourth proportional to 214,438,206.80, 321,657,310.20 and 178,725,371.60 is: 268,088,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,438,206.80 : 321,657,310.20 = 178,725,371.60 : x
  2. Step 2: Convert to fraction form
    214,438,206.80/321,657,310.20 = 178,725,371.60/x
  3. Step 3: Cross multiply
    214,438,206.80x = 321,657,310.20 × 178,725,371.60
  4. Step 4: Simplify right side
    214,438,206.80x = 57,488,322,293,351,464
  5. Step 5: Solve for x
    x = 57,488,322,293,351,464/214,438,206.80
  6. Step 6: Final answer
    x = 268,088,057.40

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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.