Home / 79,366,961.78-119,004,107.66-30,788,050.69

Finding the Fourth Proportional to 79,366,961.78, 119,004,107.66 and 30,788,050.69

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Solution

The fourth proportional to 79,366,961.78, 119,004,107.66 and 30,788,050.69 is: 46,164,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366,961.78 : 119,004,107.66 = 30,788,050.69 : x
  2. Step 2: Convert to fraction form
    79,366,961.78/119,004,107.66 = 30,788,050.69/x
  3. Step 3: Cross multiply
    79,366,961.78x = 119,004,107.66 × 30,788,050.69
  4. Step 4: Simplify right side
    79,366,961.78x = 3,663,904,498,205,336.50
  5. Step 5: Solve for x
    x = 3,663,904,498,205,336.50/79,366,961.78
  6. Step 6: Final answer
    x = 46,164,101.74

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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.