Home / 178,733,914.80-268,100,872.20-117,511,911.60

Finding the Fourth Proportional to 178,733,914.80, 268,100,872.20 and 117,511,911.60

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Solution

The fourth proportional to 178,733,914.80, 268,100,872.20 and 117,511,911.60 is: 176,267,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733,914.80 : 268,100,872.20 = 117,511,911.60 : x
  2. Step 2: Convert to fraction form
    178,733,914.80/268,100,872.20 = 117,511,911.60/x
  3. Step 3: Cross multiply
    178,733,914.80x = 268,100,872.20 × 117,511,911.60
  4. Step 4: Simplify right side
    178,733,914.80x = 31,505,045,993,849,296
  5. Step 5: Solve for x
    x = 31,505,045,993,849,296/178,733,914.80
  6. Step 6: Final answer
    x = 176,267,867.40

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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.