Home / 61,682,103.75-85,159,994.45-39,693,806.22

Finding the Fourth Proportional to 61,682,103.75, 85,159,994.45 and 39,693,806.22

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Solution

The fourth proportional to 61,682,103.75, 85,159,994.45 and 39,693,806.22 is: 54,802,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682,103.75 : 85,159,994.45 = 39,693,806.22 : x
  2. Step 2: Convert to fraction form
    61,682,103.75/85,159,994.45 = 39,693,806.22/x
  3. Step 3: Cross multiply
    61,682,103.75x = 85,159,994.45 × 39,693,806.22
  4. Step 4: Simplify right side
    61,682,103.75x = 3,380,324,317,196,106
  5. Step 5: Solve for x
    x = 3,380,324,317,196,106/61,682,103.75
  6. Step 6: Final answer
    x = 54,802,351.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.