Home / 85,694,596.85-118,294,742.19-57,855,013.83

Finding the Fourth Proportional to 85,694,596.85, 118,294,742.19 and 57,855,013.83

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Solution

The fourth proportional to 85,694,596.85, 118,294,742.19 and 57,855,013.83 is: 79,864,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,694,596.85 : 118,294,742.19 = 57,855,013.83 : x
  2. Step 2: Convert to fraction form
    85,694,596.85/118,294,742.19 = 57,855,013.83/x
  3. Step 3: Cross multiply
    85,694,596.85x = 118,294,742.19 × 57,855,013.83
  4. Step 4: Simplify right side
    85,694,596.85x = 6,843,943,945,418,734
  5. Step 5: Solve for x
    x = 6,843,943,945,418,734/85,694,596.85
  6. Step 6: Final answer
    x = 79,864,357.82

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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.