Home / 107,815,961.60-161,613,717.60-53,144,460.80

Finding the Fourth Proportional to 107,815,961.60, 161,613,717.60 and 53,144,460.80

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Solution

The fourth proportional to 107,815,961.60, 161,613,717.60 and 53,144,460.80 is: 79,662,359.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,815,961.60 : 161,613,717.60 = 53,144,460.80 : x
  2. Step 2: Convert to fraction form
    107,815,961.60/161,613,717.60 = 53,144,460.80/x
  3. Step 3: Cross multiply
    107,815,961.60x = 161,613,717.60 × 53,144,460.80
  4. Step 4: Simplify right side
    107,815,961.60x = 8,588,873,879,735,469
  5. Step 5: Solve for x
    x = 8,588,873,879,735,469/107,815,961.60
  6. Step 6: Final answer
    x = 79,662,359.38

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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.