Finding the Fourth Proportional to 201,678,122.60, 302,517,183.90 and 125,150,618.60
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Solution
The fourth proportional to 201,678,122.60, 302,517,183.90 and 125,150,618.60 is: 187,725,927.90
Step by Step Solution
- Step 1: Write the proportion equation
201,678,122.60 : 302,517,183.90 = 125,150,618.60 : x - Step 2: Convert to fraction form
201,678,122.60/302,517,183.90 = 125,150,618.60/x - Step 3: Cross multiply
201,678,122.60x = 302,517,183.90 × 125,150,618.60 - Step 4: Simplify right side
201,678,122.60x = 37,860,212,702,214,952 - Step 5: Solve for x
x = 37,860,212,702,214,952/201,678,122.60 - Step 6: Final answer
x = 187,725,927.90
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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.