Home / 167,396,797.81-251,100,215.88-138,476,442.88

Finding the Fourth Proportional to 167,396,797.81, 251,100,215.88 and 138,476,442.88

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Solution

The fourth proportional to 167,396,797.81, 251,100,215.88 and 138,476,442.88 is: 207,718,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,396,797.81 : 251,100,215.88 = 138,476,442.88 : x
  2. Step 2: Convert to fraction form
    167,396,797.81/251,100,215.88 = 138,476,442.88/x
  3. Step 3: Cross multiply
    167,396,797.81x = 251,100,215.88 × 138,476,442.88
  4. Step 4: Simplify right side
    167,396,797.81x = 34,771,464,701,462,488
  5. Step 5: Solve for x
    x = 34,771,464,701,462,488/167,396,797.81
  6. Step 6: Final answer
    x = 207,718,816.35

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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.