Home / 64,197,231.36-96,311,532.04-20,477,997.42

Finding the Fourth Proportional to 64,197,231.36, 96,311,532.04 and 20,477,997.42

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Solution

The fourth proportional to 64,197,231.36, 96,311,532.04 and 20,477,997.42 is: 30,721,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197,231.36 : 96,311,532.04 = 20,477,997.42 : x
  2. Step 2: Convert to fraction form
    64,197,231.36/96,311,532.04 = 20,477,997.42/x
  3. Step 3: Cross multiply
    64,197,231.36x = 96,311,532.04 × 20,477,997.42
  4. Step 4: Simplify right side
    64,197,231.36x = 1,972,267,304,631,367.75
  5. Step 5: Solve for x
    x = 1,972,267,304,631,367.75/64,197,231.36
  6. Step 6: Final answer
    x = 30,721,999.42

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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.