Home / 211,344,136.80-317,016,205.20-190,180,975.20

Finding the Fourth Proportional to 211,344,136.80, 317,016,205.20 and 190,180,975.20

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Solution

The fourth proportional to 211,344,136.80, 317,016,205.20 and 190,180,975.20 is: 285,271,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,344,136.80 : 317,016,205.20 = 190,180,975.20 : x
  2. Step 2: Convert to fraction form
    211,344,136.80/317,016,205.20 = 190,180,975.20/x
  3. Step 3: Cross multiply
    211,344,136.80x = 317,016,205.20 × 190,180,975.20
  4. Step 4: Simplify right side
    211,344,136.80x = 60,290,451,059,139,304
  5. Step 5: Solve for x
    x = 60,290,451,059,139,304/211,344,136.80
  6. Step 6: Final answer
    x = 285,271,462.80

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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.