Finding the Fourth Proportional to 125,882,320,121.20, 188,823,480,181.80 and 125,882,320,121.20
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Solution
The fourth proportional to 125,882,320,121.20, 188,823,480,181.80 and 125,882,320,121.20 is: 188,823,480,181.80
Step by Step Solution
- Step 1: Write the proportion equation
125,882,320,121.20 : 188,823,480,181.80 = 125,882,320,121.20 : x - Step 2: Convert to fraction form
125,882,320,121.20/188,823,480,181.80 = 125,882,320,121.20/x - Step 3: Cross multiply
125,882,320,121.20x = 188,823,480,181.80 × 125,882,320,121.20 - Step 4: Simplify right side
125,882,320,121.20x = 23,769,537,778,644,408,074,240 - Step 5: Solve for x
x = 23,769,537,778,644,408,074,240/125,882,320,121.20 - Step 6: Final answer
x = 188,823,480,181.80
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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.