Home / 87,800,382,657.60-121,164,527,890.56-49,738,589,603.88

Finding the Fourth Proportional to 87,800,382,657.60, 121,164,527,890.56 and 49,738,589,603.88

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Solution

The fourth proportional to 87,800,382,657.60, 121,164,527,890.56 and 49,738,589,603.88 is: 68,639,253,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800,382,657.60 : 121,164,527,890.56 = 49,738,589,603.88 : x
  2. Step 2: Convert to fraction form
    87,800,382,657.60/121,164,527,890.56 = 49,738,589,603.88/x
  3. Step 3: Cross multiply
    87,800,382,657.60x = 121,164,527,890.56 × 49,738,589,603.88
  4. Step 4: Simplify right side
    87,800,382,657.60x = 6,026,552,727,296,435,814,400
  5. Step 5: Solve for x
    x = 6,026,552,727,296,435,814,400/87,800,382,657.60
  6. Step 6: Final answer
    x = 68,639,253,553.13

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1.5x scale

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.