Home / 201,261,609.09-301,899,171.47-55,682,991.81

Finding the Fourth Proportional to 201,261,609.09, 301,899,171.47 and 55,682,991.81

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Solution

The fourth proportional to 201,261,609.09, 301,899,171.47 and 55,682,991.81 is: 83,526,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,261,609.09 : 301,899,171.47 = 55,682,991.81 : x
  2. Step 2: Convert to fraction form
    201,261,609.09/301,899,171.47 = 55,682,991.81/x
  3. Step 3: Cross multiply
    201,261,609.09x = 301,899,171.47 × 55,682,991.81
  4. Step 4: Simplify right side
    201,261,609.09x = 16,810,649,092,131,380
  5. Step 5: Solve for x
    x = 16,810,649,092,131,380/201,261,609.09
  6. Step 6: Final answer
    x = 83,526,357.40

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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.