Home / 106,531,835.23-146,972,103.39-61,870,204.57

Finding the Fourth Proportional to 106,531,835.23, 146,972,103.39 and 61,870,204.57

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Solution

The fourth proportional to 106,531,835.23, 146,972,103.39 and 61,870,204.57 is: 85,356,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531,835.23 : 146,972,103.39 = 61,870,204.57 : x
  2. Step 2: Convert to fraction form
    106,531,835.23/146,972,103.39 = 61,870,204.57/x
  3. Step 3: Cross multiply
    106,531,835.23x = 146,972,103.39 × 61,870,204.57
  4. Step 4: Simplify right side
    106,531,835.23x = 9,093,194,102,556,778
  5. Step 5: Solve for x
    x = 9,093,194,102,556,778/106,531,835.23
  6. Step 6: Final answer
    x = 85,356,589.26

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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.