Home / 299,334,985.20-449,002,477.80-163,286,089.20

Finding the Fourth Proportional to 299,334,985.20, 449,002,477.80 and 163,286,089.20

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Solution

The fourth proportional to 299,334,985.20, 449,002,477.80 and 163,286,089.20 is: 244,929,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,334,985.20 : 449,002,477.80 = 163,286,089.20 : x
  2. Step 2: Convert to fraction form
    299,334,985.20/449,002,477.80 = 163,286,089.20/x
  3. Step 3: Cross multiply
    299,334,985.20x = 449,002,477.80 × 163,286,089.20
  4. Step 4: Simplify right side
    299,334,985.20x = 73,315,858,641,071,824
  5. Step 5: Solve for x
    x = 73,315,858,641,071,824/299,334,985.20
  6. Step 6: Final answer
    x = 244,929,133.80

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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.