Home / 185,384,734.20-278,077,101.30-103,755,396.60

Finding the Fourth Proportional to 185,384,734.20, 278,077,101.30 and 103,755,396.60

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Solution

The fourth proportional to 185,384,734.20, 278,077,101.30 and 103,755,396.60 is: 155,633,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,384,734.20 : 278,077,101.30 = 103,755,396.60 : x
  2. Step 2: Convert to fraction form
    185,384,734.20/278,077,101.30 = 103,755,396.60/x
  3. Step 3: Cross multiply
    185,384,734.20x = 278,077,101.30 × 103,755,396.60
  4. Step 4: Simplify right side
    185,384,734.20x = 28,851,999,930,759,876
  5. Step 5: Solve for x
    x = 28,851,999,930,759,876/185,384,734.20
  6. Step 6: Final answer
    x = 155,633,094.90

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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.