Home / 80,989,470.30-121,494,861.45-29,907,371.10

Finding the Fourth Proportional to 80,989,470.30, 121,494,861.45 and 29,907,371.10

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Solution

The fourth proportional to 80,989,470.30, 121,494,861.45 and 29,907,371.10 is: 44,864,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,989,470.30 : 121,494,861.45 = 29,907,371.10 : x
  2. Step 2: Convert to fraction form
    80,989,470.30/121,494,861.45 = 29,907,371.10/x
  3. Step 3: Cross multiply
    80,989,470.30x = 121,494,861.45 × 29,907,371.10
  4. Step 4: Simplify right side
    80,989,470.30x = 3,633,591,908,128,234.50
  5. Step 5: Solve for x
    x = 3,633,591,908,128,234.50/80,989,470.30
  6. Step 6: Final answer
    x = 44,864,991.64

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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.