Home / 111,193,151.69-166,793,237.67-38,414,078.21

Finding the Fourth Proportional to 111,193,151.69, 166,793,237.67 and 38,414,078.21

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Solution

The fourth proportional to 111,193,151.69, 166,793,237.67 and 38,414,078.21 is: 57,622,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,193,151.69 : 166,793,237.67 = 38,414,078.21 : x
  2. Step 2: Convert to fraction form
    111,193,151.69/166,793,237.67 = 38,414,078.21/x
  3. Step 3: Cross multiply
    111,193,151.69x = 166,793,237.67 × 38,414,078.21
  4. Step 4: Simplify right side
    111,193,151.69x = 6,407,208,477,315,534
  5. Step 5: Solve for x
    x = 6,407,208,477,315,534/111,193,151.69
  6. Step 6: Final answer
    x = 57,622,329.97

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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.