Finding the Fourth Proportional to 121,395,687.20, 182,093,530.80 and 121,395,687.20
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Solution
The fourth proportional to 121,395,687.20, 182,093,530.80 and 121,395,687.20 is: 182,093,530.80
Step by Step Solution
- Step 1: Write the proportion equation
121,395,687.20 : 182,093,530.80 = 121,395,687.20 : x - Step 2: Convert to fraction form
121,395,687.20/182,093,530.80 = 121,395,687.20/x - Step 3: Cross multiply
121,395,687.20x = 182,093,530.80 × 121,395,687.20 - Step 4: Simplify right side
121,395,687.20x = 22,105,369,306,140,368 - Step 5: Solve for x
x = 22,105,369,306,140,368/121,395,687.20 - Step 6: Final answer
x = 182,093,530.80
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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.