Home / 80,869,236.86-121,180,420.20-48,015,109.35

Finding the Fourth Proportional to 80,869,236.86, 121,180,420.20 and 48,015,109.35

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Solution

The fourth proportional to 80,869,236.86, 121,180,420.20 and 48,015,109.35 is: 71,949,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,869,236.86 : 121,180,420.20 = 48,015,109.35 : x
  2. Step 2: Convert to fraction form
    80,869,236.86/121,180,420.20 = 48,015,109.35/x
  3. Step 3: Cross multiply
    80,869,236.86x = 121,180,420.20 × 48,015,109.35
  4. Step 4: Simplify right side
    80,869,236.86x = 5,818,491,127,162,006
  5. Step 5: Solve for x
    x = 5,818,491,127,162,006/80,869,236.86
  6. Step 6: Final answer
    x = 71,949,375.97

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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.