Home / 199,075,228.80-298,568,030.40-71,424,412.80

Finding the Fourth Proportional to 199,075,228.80, 298,568,030.40 and 71,424,412.80

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Solution

The fourth proportional to 199,075,228.80, 298,568,030.40 and 71,424,412.80 is: 107,120,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075,228.80 : 298,568,030.40 = 71,424,412.80 : x
  2. Step 2: Convert to fraction form
    199,075,228.80/298,568,030.40 = 71,424,412.80/x
  3. Step 3: Cross multiply
    199,075,228.80x = 298,568,030.40 × 71,424,412.80
  4. Step 4: Simplify right side
    199,075,228.80x = 21,325,046,252,172,548
  5. Step 5: Solve for x
    x = 21,325,046,252,172,548/199,075,228.80
  6. Step 6: Final answer
    x = 107,120,541.22

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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.