Home / 85,394,446.56-128,099,544.26-27,887,019.12

Finding the Fourth Proportional to 85,394,446.56, 128,099,544.26 and 27,887,019.12

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Solution

The fourth proportional to 85,394,446.56, 128,099,544.26 and 27,887,019.12 is: 41,833,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394,446.56 : 128,099,544.26 = 27,887,019.12 : x
  2. Step 2: Convert to fraction form
    85,394,446.56/128,099,544.26 = 27,887,019.12/x
  3. Step 3: Cross multiply
    85,394,446.56x = 128,099,544.26 × 27,887,019.12
  4. Step 4: Simplify right side
    85,394,446.56x = 3,572,314,439,902,471
  5. Step 5: Solve for x
    x = 3,572,314,439,902,471/85,394,446.56
  6. Step 6: Final answer
    x = 41,833,100.21

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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.