Home / 219,827,298.78-303,347,874.69-120,707,352.27

Finding the Fourth Proportional to 219,827,298.78, 303,347,874.69 and 120,707,352.27

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Solution

The fourth proportional to 219,827,298.78, 303,347,874.69 and 120,707,352.27 is: 166,568,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,827,298.78 : 303,347,874.69 = 120,707,352.27 : x
  2. Step 2: Convert to fraction form
    219,827,298.78/303,347,874.69 = 120,707,352.27/x
  3. Step 3: Cross multiply
    219,827,298.78x = 303,347,874.69 × 120,707,352.27
  4. Step 4: Simplify right side
    219,827,298.78x = 36,616,318,770,561,648
  5. Step 5: Solve for x
    x = 36,616,318,770,561,648/219,827,298.78
  6. Step 6: Final answer
    x = 166,568,569.84

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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.