Finding the Fourth Proportional to 121,395,537.20, 182,093,305.80 and 121,395,537.20
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Solution
The fourth proportional to 121,395,537.20, 182,093,305.80 and 121,395,537.20 is: 182,093,305.80
Step by Step Solution
- Step 1: Write the proportion equation
121,395,537.20 : 182,093,305.80 = 121,395,537.20 : x - Step 2: Convert to fraction form
121,395,537.20/182,093,305.80 = 121,395,537.20/x - Step 3: Cross multiply
121,395,537.20x = 182,093,305.80 × 121,395,537.20 - Step 4: Simplify right side
121,395,537.20x = 22,105,314,678,114,876 - Step 5: Solve for x
x = 22,105,314,678,114,876/121,395,537.20 - Step 6: Final answer
x = 182,093,305.80
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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.