Home / 69,726,535.20-104,589,802.80-21,204,003.60

Finding the Fourth Proportional to 69,726,535.20, 104,589,802.80 and 21,204,003.60

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Solution

The fourth proportional to 69,726,535.20, 104,589,802.80 and 21,204,003.60 is: 31,806,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726,535.20 : 104,589,802.80 = 21,204,003.60 : x
  2. Step 2: Convert to fraction form
    69,726,535.20/104,589,802.80 = 21,204,003.60/x
  3. Step 3: Cross multiply
    69,726,535.20x = 104,589,802.80 × 21,204,003.60
  4. Step 4: Simplify right side
    69,726,535.20x = 2,217,722,555,094,490.25
  5. Step 5: Solve for x
    x = 2,217,722,555,094,490.25/69,726,535.20
  6. Step 6: Final answer
    x = 31,806,005.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.