Home / 199,075,238.80-298,568,045.40-71,424,422.80

Finding the Fourth Proportional to 199,075,238.80, 298,568,045.40 and 71,424,422.80

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Solution

The fourth proportional to 199,075,238.80, 298,568,045.40 and 71,424,422.80 is: 107,120,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075,238.80 : 298,568,045.40 = 71,424,422.80 : x
  2. Step 2: Convert to fraction form
    199,075,238.80/298,568,045.40 = 71,424,422.80/x
  3. Step 3: Cross multiply
    199,075,238.80x = 298,568,045.40 × 71,424,422.80
  4. Step 4: Simplify right side
    199,075,238.80x = 21,325,050,309,219,192
  5. Step 5: Solve for x
    x = 21,325,050,309,219,192/199,075,238.80
  6. Step 6: Final answer
    x = 107,120,556.22

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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.