Home / 211,536,331.20-317,304,496.80-181,303,243.20

Finding the Fourth Proportional to 211,536,331.20, 317,304,496.80 and 181,303,243.20

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Solution

The fourth proportional to 211,536,331.20, 317,304,496.80 and 181,303,243.20 is: 271,954,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,536,331.20 : 317,304,496.80 = 181,303,243.20 : x
  2. Step 2: Convert to fraction form
    211,536,331.20/317,304,496.80 = 181,303,243.20/x
  3. Step 3: Cross multiply
    211,536,331.20x = 317,304,496.80 × 181,303,243.20
  4. Step 4: Simplify right side
    211,536,331.20x = 57,528,334,351,784,024
  5. Step 5: Solve for x
    x = 57,528,334,351,784,024/211,536,331.20
  6. Step 6: Final answer
    x = 271,954,864.80

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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.