Home / 179,328,019.20-268,992,028.80-163,172,212.80

Finding the Fourth Proportional to 179,328,019.20, 268,992,028.80 and 163,172,212.80

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Solution

The fourth proportional to 179,328,019.20, 268,992,028.80 and 163,172,212.80 is: 244,758,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,328,019.20 : 268,992,028.80 = 163,172,212.80 : x
  2. Step 2: Convert to fraction form
    179,328,019.20/268,992,028.80 = 163,172,212.80/x
  3. Step 3: Cross multiply
    179,328,019.20x = 268,992,028.80 × 163,172,212.80
  4. Step 4: Simplify right side
    179,328,019.20x = 43,892,024,564,857,336
  5. Step 5: Solve for x
    x = 43,892,024,564,857,336/179,328,019.20
  6. Step 6: Final answer
    x = 244,758,319.20

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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.