Home / 193,975,778.55-291,001,997.77-71,155,236.36

Finding the Fourth Proportional to 193,975,778.55, 291,001,997.77 and 71,155,236.36

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Solution

The fourth proportional to 193,975,778.55, 291,001,997.77 and 71,155,236.36 is: 106,746,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,975,778.55 : 291,001,997.77 = 71,155,236.36 : x
  2. Step 2: Convert to fraction form
    193,975,778.55/291,001,997.77 = 71,155,236.36/x
  3. Step 3: Cross multiply
    193,975,778.55x = 291,001,997.77 × 71,155,236.36
  4. Step 4: Simplify right side
    193,975,778.55x = 20,706,315,932,556,540
  5. Step 5: Solve for x
    x = 20,706,315,932,556,540/193,975,778.55
  6. Step 6: Final answer
    x = 106,746,914.94

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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.