Home / 299,531,770.40-449,341,201.20-127,008,250.40

Finding the Fourth Proportional to 299,531,770.40, 449,341,201.20 and 127,008,250.40

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Solution

The fourth proportional to 299,531,770.40, 449,341,201.20 and 127,008,250.40 is: 190,530,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,531,770.40 : 449,341,201.20 = 127,008,250.40 : x
  2. Step 2: Convert to fraction form
    299,531,770.40/449,341,201.20 = 127,008,250.40/x
  3. Step 3: Cross multiply
    299,531,770.40x = 449,341,201.20 × 127,008,250.40
  4. Step 4: Simplify right side
    299,531,770.40x = 57,070,039,797,046,384
  5. Step 5: Solve for x
    x = 57,070,039,797,046,384/299,531,770.40
  6. Step 6: Final answer
    x = 190,530,839.92

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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.