Home / 199,151,371.82-298,556,669.37-76,417,766.12

Finding the Fourth Proportional to 199,151,371.82, 298,556,669.37 and 76,417,766.12

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Solution

The fourth proportional to 199,151,371.82, 298,556,669.37 and 76,417,766.12 is: 114,561,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,151,371.82 : 298,556,669.37 = 76,417,766.12 : x
  2. Step 2: Convert to fraction form
    199,151,371.82/298,556,669.37 = 76,417,766.12/x
  3. Step 3: Cross multiply
    199,151,371.82x = 298,556,669.37 × 76,417,766.12
  4. Step 4: Simplify right side
    199,151,371.82x = 22,815,033,733,482,828
  5. Step 5: Solve for x
    x = 22,815,033,733,482,828/199,151,371.82
  6. Step 6: Final answer
    x = 114,561,268.27

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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.