Home / 307,992,856-425,030,139.26-168,760,628.41

Finding the Fourth Proportional to 307,992,856, 425,030,139.26 and 168,760,628.41

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Solution

The fourth proportional to 307,992,856, 425,030,139.26 and 168,760,628.41 is: 232,889,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,992,856 : 425,030,139.26 = 168,760,628.41 : x
  2. Step 2: Convert to fraction form
    307,992,856/425,030,139.26 = 168,760,628.41/x
  3. Step 3: Cross multiply
    307,992,856x = 425,030,139.26 × 168,760,628.41
  4. Step 4: Simplify right side
    307,992,856x = 71,728,353,394,707,408
  5. Step 5: Solve for x
    x = 71,728,353,394,707,408/307,992,856
  6. Step 6: Final answer
    x = 232,889,666.10

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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.