Home / 29,125,819.20-43,688,728.80-20,055,892.80

Finding the Fourth Proportional to 29,125,819.20, 43,688,728.80 and 20,055,892.80

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Solution

The fourth proportional to 29,125,819.20, 43,688,728.80 and 20,055,892.80 is: 30,083,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125,819.20 : 43,688,728.80 = 20,055,892.80 : x
  2. Step 2: Convert to fraction form
    29,125,819.20/43,688,728.80 = 20,055,892.80/x
  3. Step 3: Cross multiply
    29,125,819.20x = 43,688,728.80 × 20,055,892.80
  4. Step 4: Simplify right side
    29,125,819.20x = 876,216,461,381,072.62
  5. Step 5: Solve for x
    x = 876,216,461,381,072.62/29,125,819.20
  6. Step 6: Final answer
    x = 30,083,839.20

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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.