Home / 211,847,966.49-317,641,968.13-82,304,351.20

Finding the Fourth Proportional to 211,847,966.49, 317,641,968.13 and 82,304,351.20

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Solution

The fourth proportional to 211,847,966.49, 317,641,968.13 and 82,304,351.20 is: 123,406,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,847,966.49 : 317,641,968.13 = 82,304,351.20 : x
  2. Step 2: Convert to fraction form
    211,847,966.49/317,641,968.13 = 82,304,351.20/x
  3. Step 3: Cross multiply
    211,847,966.49x = 317,641,968.13 × 82,304,351.20
  4. Step 4: Simplify right side
    211,847,966.49x = 26,143,316,101,175,928
  5. Step 5: Solve for x
    x = 26,143,316,101,175,928/211,847,966.49
  6. Step 6: Final answer
    x = 123,406,028.08

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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.