Home / 307,992,855-425,030,137.88-168,760,627.41

Finding the Fourth Proportional to 307,992,855, 425,030,137.88 and 168,760,627.41

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Solution

The fourth proportional to 307,992,855, 425,030,137.88 and 168,760,627.41 is: 232,889,664.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,992,855 : 425,030,137.88 = 168,760,627.41 : x
  2. Step 2: Convert to fraction form
    307,992,855/425,030,137.88 = 168,760,627.41/x
  3. Step 3: Cross multiply
    307,992,855x = 425,030,137.88 × 168,760,627.41
  4. Step 4: Simplify right side
    307,992,855x = 71,728,352,735,943,800
  5. Step 5: Solve for x
    x = 71,728,352,735,943,800/307,992,855
  6. Step 6: Final answer
    x = 232,889,664.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.