Home / 118,098,121.20-177,147,181.80-117,380,675.85

Finding the Fourth Proportional to 118,098,121.20, 177,147,181.80 and 117,380,675.85

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Solution

The fourth proportional to 118,098,121.20, 177,147,181.80 and 117,380,675.85 is: 176,071,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,121.20 : 177,147,181.80 = 117,380,675.85 : x
  2. Step 2: Convert to fraction form
    118,098,121.20/177,147,181.80 = 117,380,675.85/x
  3. Step 3: Cross multiply
    118,098,121.20x = 177,147,181.80 × 117,380,675.85
  4. Step 4: Simplify right side
    118,098,121.20x = 20,793,655,924,606,820
  5. Step 5: Solve for x
    x = 20,793,655,924,606,820/118,098,121.20
  6. Step 6: Final answer
    x = 176,071,013.78

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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.