Home / 146,563,750.20-219,845,625.30-85,257,766.20

Finding the Fourth Proportional to 146,563,750.20, 219,845,625.30 and 85,257,766.20

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Solution

The fourth proportional to 146,563,750.20, 219,845,625.30 and 85,257,766.20 is: 127,886,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,563,750.20 : 219,845,625.30 = 85,257,766.20 : x
  2. Step 2: Convert to fraction form
    146,563,750.20/219,845,625.30 = 85,257,766.20/x
  3. Step 3: Cross multiply
    146,563,750.20x = 219,845,625.30 × 85,257,766.20
  4. Step 4: Simplify right side
    146,563,750.20x = 18,743,546,921,920,208
  5. Step 5: Solve for x
    x = 18,743,546,921,920,208/146,563,750.20
  6. Step 6: Final answer
    x = 127,886,649.30

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1.5x scale

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.