Home / 192,456,872.20-288,768,252.30-111,746,830.60

Finding the Fourth Proportional to 192,456,872.20, 288,768,252.30 and 111,746,830.60

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Solution

The fourth proportional to 192,456,872.20, 288,768,252.30 and 111,746,830.60 is: 167,668,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,872.20 : 288,768,252.30 = 111,746,830.60 : x
  2. Step 2: Convert to fraction form
    192,456,872.20/288,768,252.30 = 111,746,830.60/x
  3. Step 3: Cross multiply
    192,456,872.20x = 288,768,252.30 × 111,746,830.60
  4. Step 4: Simplify right side
    192,456,872.20x = 32,268,936,972,426,160
  5. Step 5: Solve for x
    x = 32,268,936,972,426,160/192,456,872.20
  6. Step 6: Final answer
    x = 167,668,405.93

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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.