Home / 64,153,556.80-96,234,021.60-18,722,363.20

Finding the Fourth Proportional to 64,153,556.80, 96,234,021.60 and 18,722,363.20

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Solution

The fourth proportional to 64,153,556.80, 96,234,021.60 and 18,722,363.20 is: 28,084,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,153,556.80 : 96,234,021.60 = 18,722,363.20 : x
  2. Step 2: Convert to fraction form
    64,153,556.80/96,234,021.60 = 18,722,363.20/x
  3. Step 3: Cross multiply
    64,153,556.80x = 96,234,021.60 × 18,722,363.20
  4. Step 4: Simplify right side
    64,153,556.80x = 1,801,728,304,591,845
  5. Step 5: Solve for x
    x = 1,801,728,304,591,845/64,153,556.80
  6. Step 6: Final answer
    x = 28,084,620.63

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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.