Home / 43,640,742.25-65,461,441.53-19,373,145.09

Finding the Fourth Proportional to 43,640,742.25, 65,461,441.53 and 19,373,145.09

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Solution

The fourth proportional to 43,640,742.25, 65,461,441.53 and 19,373,145.09 is: 29,059,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640,742.25 : 65,461,441.53 = 19,373,145.09 : x
  2. Step 2: Convert to fraction form
    43,640,742.25/65,461,441.53 = 19,373,145.09/x
  3. Step 3: Cross multiply
    43,640,742.25x = 65,461,441.53 × 19,373,145.09
  4. Step 4: Simplify right side
    43,640,742.25x = 1,268,194,004,561,241.50
  5. Step 5: Solve for x
    x = 1,268,194,004,561,241.50/43,640,742.25
  6. Step 6: Final answer
    x = 29,059,863.31

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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.