Home / 199,075,243.80-298,568,052.90-71,424,427.80

Finding the Fourth Proportional to 199,075,243.80, 298,568,052.90 and 71,424,427.80

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Solution

The fourth proportional to 199,075,243.80, 298,568,052.90 and 71,424,427.80 is: 107,120,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075,243.80 : 298,568,052.90 = 71,424,427.80 : x
  2. Step 2: Convert to fraction form
    199,075,243.80/298,568,052.90 = 71,424,427.80/x
  3. Step 3: Cross multiply
    199,075,243.80x = 298,568,052.90 × 71,424,427.80
  4. Step 4: Simplify right side
    199,075,243.80x = 21,325,052,337,742,628
  5. Step 5: Solve for x
    x = 21,325,052,337,742,628/199,075,243.80
  6. Step 6: Final answer
    x = 107,120,563.72

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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.