Home / 178,734,141.80-268,101,212.70-117,512,138.60

Finding the Fourth Proportional to 178,734,141.80, 268,101,212.70 and 117,512,138.60

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Solution

The fourth proportional to 178,734,141.80, 268,101,212.70 and 117,512,138.60 is: 176,268,207.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,734,141.80 : 268,101,212.70 = 117,512,138.60 : x
  2. Step 2: Convert to fraction form
    178,734,141.80/268,101,212.70 = 117,512,138.60/x
  3. Step 3: Cross multiply
    178,734,141.80x = 268,101,212.70 × 117,512,138.60
  4. Step 4: Simplify right side
    178,734,141.80x = 31,505,146,865,630,476
  5. Step 5: Solve for x
    x = 31,505,146,865,630,476/178,734,141.80
  6. Step 6: Final answer
    x = 176,268,207.90

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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.