Home / 80,904,085,890.85-121,356,128,836.27-80,904,085,890.85

Finding the Fourth Proportional to 80,904,085,890.85, 121,356,128,836.27 and 80,904,085,890.85

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Solution

The fourth proportional to 80,904,085,890.85, 121,356,128,836.27 and 80,904,085,890.85 is: 121,356,128,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,904,085,890.85 : 121,356,128,836.27 = 80,904,085,890.85 : x
  2. Step 2: Convert to fraction form
    80,904,085,890.85/121,356,128,836.27 = 80,904,085,890.85/x
  3. Step 3: Cross multiply
    80,904,085,890.85x = 121,356,128,836.27 × 80,904,085,890.85
  4. Step 4: Simplify right side
    80,904,085,890.85x = 9,818,206,670,750,648,107,008
  5. Step 5: Solve for x
    x = 9,818,206,670,750,648,107,008/80,904,085,890.85
  6. Step 6: Final answer
    x = 121,356,128,836.27

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1.5x scale

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.