Home / 120,299,295.83-180,487,805.45-55,645,512.44

Finding the Fourth Proportional to 120,299,295.83, 180,487,805.45 and 55,645,512.44

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Solution

The fourth proportional to 120,299,295.83, 180,487,805.45 and 55,645,512.44 is: 83,486,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,299,295.83 : 180,487,805.45 = 55,645,512.44 : x
  2. Step 2: Convert to fraction form
    120,299,295.83/180,487,805.45 = 55,645,512.44/x
  3. Step 3: Cross multiply
    120,299,295.83x = 180,487,805.45 × 55,645,512.44
  4. Step 4: Simplify right side
    120,299,295.83x = 10,043,336,422,255,608
  5. Step 5: Solve for x
    x = 10,043,336,422,255,608/120,299,295.83
  6. Step 6: Final answer
    x = 83,486,244.48

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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.