Home / 100,203,859.80-150,355,556.10-39,621,562.20

Finding the Fourth Proportional to 100,203,859.80, 150,355,556.10 and 39,621,562.20

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Solution

The fourth proportional to 100,203,859.80, 150,355,556.10 and 39,621,562.20 is: 59,452,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,203,859.80 : 150,355,556.10 = 39,621,562.20 : x
  2. Step 2: Convert to fraction form
    100,203,859.80/150,355,556.10 = 39,621,562.20/x
  3. Step 3: Cross multiply
    100,203,859.80x = 150,355,556.10 × 39,621,562.20
  4. Step 4: Simplify right side
    100,203,859.80x = 5,957,322,018,131,740
  5. Step 5: Solve for x
    x = 5,957,322,018,131,740/100,203,859.80
  6. Step 6: Final answer
    x = 59,452,021.41

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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.