Home / 126,815,580.86-190,163,414.68-49,128,879.38

Finding the Fourth Proportional to 126,815,580.86, 190,163,414.68 and 49,128,879.38

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Solution

The fourth proportional to 126,815,580.86, 190,163,414.68 and 49,128,879.38 is: 73,670,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,815,580.86 : 190,163,414.68 = 49,128,879.38 : x
  2. Step 2: Convert to fraction form
    126,815,580.86/190,163,414.68 = 49,128,879.38/x
  3. Step 3: Cross multiply
    126,815,580.86x = 190,163,414.68 × 49,128,879.38
  4. Step 4: Simplify right side
    126,815,580.86x = 9,342,515,462,298,672
  5. Step 5: Solve for x
    x = 9,342,515,462,298,672/126,815,580.86
  6. Step 6: Final answer
    x = 73,670,091.63

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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.