Home / 118,097,998.20-177,146,997.30-74,998,133.10

Finding the Fourth Proportional to 118,097,998.20, 177,146,997.30 and 74,998,133.10

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Solution

The fourth proportional to 118,097,998.20, 177,146,997.30 and 74,998,133.10 is: 112,497,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,097,998.20 : 177,146,997.30 = 74,998,133.10 : x
  2. Step 2: Convert to fraction form
    118,097,998.20/177,146,997.30 = 74,998,133.10/x
  3. Step 3: Cross multiply
    118,097,998.20x = 177,146,997.30 × 74,998,133.10
  4. Step 4: Simplify right side
    118,097,998.20x = 13,285,694,081,770,740
  5. Step 5: Solve for x
    x = 13,285,694,081,770,740/118,097,998.20
  6. Step 6: Final answer
    x = 112,497,199.65

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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.