Home / 69,777,852.42-104,666,771.70-18,658,542.60

Finding the Fourth Proportional to 69,777,852.42, 104,666,771.70 and 18,658,542.60

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Solution

The fourth proportional to 69,777,852.42, 104,666,771.70 and 18,658,542.60 is: 27,987,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,777,852.42 : 104,666,771.70 = 18,658,542.60 : x
  2. Step 2: Convert to fraction form
    69,777,852.42/104,666,771.70 = 18,658,542.60/x
  3. Step 3: Cross multiply
    69,777,852.42x = 104,666,771.70 × 18,658,542.60
  4. Step 4: Simplify right side
    69,777,852.42x = 1,952,929,418,568,924.75
  5. Step 5: Solve for x
    x = 1,952,929,418,568,924.75/69,777,852.42
  6. Step 6: Final answer
    x = 27,987,812.05

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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.