Home / 214,437,893.80-321,656,840.70-178,725,058.60

Finding the Fourth Proportional to 214,437,893.80, 321,656,840.70 and 178,725,058.60

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Solution

The fourth proportional to 214,437,893.80, 321,656,840.70 and 178,725,058.60 is: 268,087,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,437,893.80 : 321,656,840.70 = 178,725,058.60 : x
  2. Step 2: Convert to fraction form
    214,437,893.80/321,656,840.70 = 178,725,058.60/x
  3. Step 3: Cross multiply
    214,437,893.80x = 321,656,840.70 × 178,725,058.60
  4. Step 4: Simplify right side
    214,437,893.80x = 57,488,137,703,198,360
  5. Step 5: Solve for x
    x = 57,488,137,703,198,360/214,437,893.80
  6. Step 6: Final answer
    x = 268,087,587.90

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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.