Home / 43,640,743.25-65,461,443.03-19,373,146.09

Finding the Fourth Proportional to 43,640,743.25, 65,461,443.03 and 19,373,146.09

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Solution

The fourth proportional to 43,640,743.25, 65,461,443.03 and 19,373,146.09 is: 29,059,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,640,743.25 : 65,461,443.03 = 19,373,146.09 : x
  2. Step 2: Convert to fraction form
    43,640,743.25/65,461,443.03 = 19,373,146.09/x
  3. Step 3: Cross multiply
    43,640,743.25x = 65,461,443.03 × 19,373,146.09
  4. Step 4: Simplify right side
    43,640,743.25x = 1,268,194,099,082,402.25
  5. Step 5: Solve for x
    x = 1,268,194,099,082,402.25/43,640,743.25
  6. Step 6: Final answer
    x = 29,059,864.81

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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.