Home / 101,970,236.90-140,718,947.16-55,560,490.81

Finding the Fourth Proportional to 101,970,236.90, 140,718,947.16 and 55,560,490.81

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Solution

The fourth proportional to 101,970,236.90, 140,718,947.16 and 55,560,490.81 is: 76,673,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,970,236.90 : 140,718,947.16 = 55,560,490.81 : x
  2. Step 2: Convert to fraction form
    101,970,236.90/140,718,947.16 = 55,560,490.81/x
  3. Step 3: Cross multiply
    101,970,236.90x = 140,718,947.16 × 55,560,490.81
  4. Step 4: Simplify right side
    101,970,236.90x = 7,818,413,770,332,609
  5. Step 5: Solve for x
    x = 7,818,413,770,332,609/101,970,236.90
  6. Step 6: Final answer
    x = 76,673,488.34

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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.