Finding the Fourth Proportional to 87,800,344,523.97, 121,164,475,431.33 and 49,738,551,521.73
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Solution
The fourth proportional to 87,800,344,523.97, 121,164,475,431.33 and 49,738,551,521.73 is: 68,639,201,093.33
Step by Step Solution
- Step 1: Write the proportion equation
87,800,344,523.97 : 121,164,475,431.33 = 49,738,551,521.73 : x - Step 2: Convert to fraction form
87,800,344,523.97/121,164,475,431.33 = 49,738,551,521.73/x - Step 3: Cross multiply
87,800,344,523.97x = 121,164,475,431.33 × 49,738,551,521.73 - Step 4: Simplify right side
87,800,344,523.97x = 6,026,545,503,844,596,449,280 - Step 5: Solve for x
x = 6,026,545,503,844,596,449,280/87,800,344,523.97 - Step 6: Final answer
x = 68,639,201,093.33
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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.