Home / 121,453,702.40-182,180,553.60-109,738,380.80

Finding the Fourth Proportional to 121,453,702.40, 182,180,553.60 and 109,738,380.80

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Solution

The fourth proportional to 121,453,702.40, 182,180,553.60 and 109,738,380.80 is: 164,607,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,453,702.40 : 182,180,553.60 = 109,738,380.80 : x
  2. Step 2: Convert to fraction form
    121,453,702.40/182,180,553.60 = 109,738,380.80/x
  3. Step 3: Cross multiply
    121,453,702.40x = 182,180,553.60 × 109,738,380.80
  4. Step 4: Simplify right side
    121,453,702.40x = 19,992,198,965,311,608
  5. Step 5: Solve for x
    x = 19,992,198,965,311,608/121,453,702.40
  6. Step 6: Final answer
    x = 164,607,571.20

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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.