Home / 106,531,836.72-146,972,105.46-61,870,206.08

Finding the Fourth Proportional to 106,531,836.72, 146,972,105.46 and 61,870,206.08

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Solution

The fourth proportional to 106,531,836.72, 146,972,105.46 and 61,870,206.08 is: 85,356,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531,836.72 : 146,972,105.46 = 61,870,206.08 : x
  2. Step 2: Convert to fraction form
    106,531,836.72/146,972,105.46 = 61,870,206.08/x
  3. Step 3: Cross multiply
    106,531,836.72x = 146,972,105.46 × 61,870,206.08
  4. Step 4: Simplify right side
    106,531,836.72x = 9,093,194,452,086,834
  5. Step 5: Solve for x
    x = 9,093,194,452,086,834/106,531,836.72
  6. Step 6: Final answer
    x = 85,356,591.34

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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.