Home / 186,629,998.60-279,944,997.90-118,101,665.80

Finding the Fourth Proportional to 186,629,998.60, 279,944,997.90 and 118,101,665.80

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Solution

The fourth proportional to 186,629,998.60, 279,944,997.90 and 118,101,665.80 is: 177,152,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,629,998.60 : 279,944,997.90 = 118,101,665.80 : x
  2. Step 2: Convert to fraction form
    186,629,998.60/279,944,997.90 = 118,101,665.80/x
  3. Step 3: Cross multiply
    186,629,998.60x = 279,944,997.90 × 118,101,665.80
  4. Step 4: Simplify right side
    186,629,998.60x = 33,061,970,584,367,500
  5. Step 5: Solve for x
    x = 33,061,970,584,367,500/186,629,998.60
  6. Step 6: Final answer
    x = 177,152,498.70

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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.