Home / 72,405,532.80-108,579,430.80-23,869,879.20

Finding the Fourth Proportional to 72,405,532.80, 108,579,430.80 and 23,869,879.20

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Solution

The fourth proportional to 72,405,532.80, 108,579,430.80 and 23,869,879.20 is: 35,795,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,405,532.80 : 108,579,430.80 = 23,869,879.20 : x
  2. Step 2: Convert to fraction form
    72,405,532.80/108,579,430.80 = 23,869,879.20/x
  3. Step 3: Cross multiply
    72,405,532.80x = 108,579,430.80 × 23,869,879.20
  4. Step 4: Simplify right side
    72,405,532.80x = 2,591,777,896,800,759
  5. Step 5: Solve for x
    x = 2,591,777,896,800,759/72,405,532.80
  6. Step 6: Final answer
    x = 35,795,301.78

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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.