Home / 120,405,976.43-166,174,031.68-67,496,974.27

Finding the Fourth Proportional to 120,405,976.43, 166,174,031.68 and 67,496,974.27

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Solution

The fourth proportional to 120,405,976.43, 166,174,031.68 and 67,496,974.27 is: 93,153,551.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,405,976.43 : 166,174,031.68 = 67,496,974.27 : x
  2. Step 2: Convert to fraction form
    120,405,976.43/166,174,031.68 = 67,496,974.27/x
  3. Step 3: Cross multiply
    120,405,976.43x = 166,174,031.68 × 67,496,974.27
  4. Step 4: Simplify right side
    120,405,976.43x = 11,216,244,340,062,948
  5. Step 5: Solve for x
    x = 11,216,244,340,062,948/120,405,976.43
  6. Step 6: Final answer
    x = 93,153,551.62

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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.