Home / 299,421,736.20-449,132,604.30-163,372,840.20

Finding the Fourth Proportional to 299,421,736.20, 449,132,604.30 and 163,372,840.20

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Solution

The fourth proportional to 299,421,736.20, 449,132,604.30 and 163,372,840.20 is: 245,059,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,421,736.20 : 449,132,604.30 = 163,372,840.20 : x
  2. Step 2: Convert to fraction form
    299,421,736.20/449,132,604.30 = 163,372,840.20/x
  3. Step 3: Cross multiply
    299,421,736.20x = 449,132,604.30 × 163,372,840.20
  4. Step 4: Simplify right side
    299,421,736.20x = 73,376,069,190,913,728
  5. Step 5: Solve for x
    x = 73,376,069,190,913,728/299,421,736.20
  6. Step 6: Final answer
    x = 245,059,260.30

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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.