Home / 96,772,729.60-145,375,363.20-80,847,481.60

Finding the Fourth Proportional to 96,772,729.60, 145,375,363.20 and 80,847,481.60

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Solution

The fourth proportional to 96,772,729.60, 145,375,363.20 and 80,847,481.60 is: 121,451,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772,729.60 : 145,375,363.20 = 80,847,481.60 : x
  2. Step 2: Convert to fraction form
    96,772,729.60/145,375,363.20 = 80,847,481.60/x
  3. Step 3: Cross multiply
    96,772,729.60x = 145,375,363.20 × 80,847,481.60
  4. Step 4: Simplify right side
    96,772,729.60x = 11,753,232,001,405,316
  5. Step 5: Solve for x
    x = 11,753,232,001,405,316/96,772,729.60
  6. Step 6: Final answer
    x = 121,451,901.27

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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.