Home / 290,964,676.78-436,504,511.37-106,733,863.48

Finding the Fourth Proportional to 290,964,676.78, 436,504,511.37 and 106,733,863.48

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Solution

The fourth proportional to 290,964,676.78, 436,504,511.37 and 106,733,863.48 is: 160,121,886.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,964,676.78 : 436,504,511.37 = 106,733,863.48 : x
  2. Step 2: Convert to fraction form
    290,964,676.78/436,504,511.37 = 106,733,863.48/x
  3. Step 3: Cross multiply
    290,964,676.78x = 436,504,511.37 × 106,733,863.48
  4. Step 4: Simplify right side
    290,964,676.78x = 46,589,812,924,969,688
  5. Step 5: Solve for x
    x = 46,589,812,924,969,688/290,964,676.78
  6. Step 6: Final answer
    x = 160,121,886.41

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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.