Finding the Fourth Proportional to 198,528,022.58, 297,216,969.69 and 149,550,147.07
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Solution
The fourth proportional to 198,528,022.58, 297,216,969.69 and 149,550,147.07 is: 223,892,027.70
Step by Step Solution
- Step 1: Write the proportion equation
198,528,022.58 : 297,216,969.69 = 149,550,147.07 : x - Step 2: Convert to fraction form
198,528,022.58/297,216,969.69 = 149,550,147.07/x - Step 3: Cross multiply
198,528,022.58x = 297,216,969.69 × 149,550,147.07 - Step 4: Simplify right side
198,528,022.58x = 44,448,841,530,540,032 - Step 5: Solve for x
x = 44,448,841,530,540,032/198,528,022.58 - Step 6: Final answer
x = 223,892,027.70
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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.