Home / 318,179,761.84-439,037,480.09-178,923,630.34

Finding the Fourth Proportional to 318,179,761.84, 439,037,480.09 and 178,923,630.34

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Solution

The fourth proportional to 318,179,761.84, 439,037,480.09 and 178,923,630.34 is: 246,886,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,179,761.84 : 439,037,480.09 = 178,923,630.34 : x
  2. Step 2: Convert to fraction form
    318,179,761.84/439,037,480.09 = 178,923,630.34/x
  3. Step 3: Cross multiply
    318,179,761.84x = 439,037,480.09 × 178,923,630.34
  4. Step 4: Simplify right side
    318,179,761.84x = 78,554,179,793,028,272
  5. Step 5: Solve for x
    x = 78,554,179,793,028,272/318,179,761.84
  6. Step 6: Final answer
    x = 246,886,160.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.