Finding the Fourth Proportional to 217,647,519.18, 300,351,509.96 and 118,529,920.82
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Solution
The fourth proportional to 217,647,519.18, 300,351,509.96 and 118,529,920.82 is: 163,570,165.32
Step by Step Solution
- Step 1: Write the proportion equation
217,647,519.18 : 300,351,509.96 = 118,529,920.82 : x - Step 2: Convert to fraction form
217,647,519.18/300,351,509.96 = 118,529,920.82/x - Step 3: Cross multiply
217,647,519.18x = 300,351,509.96 × 118,529,920.82 - Step 4: Simplify right side
217,647,519.18x = 35,600,640,693,726,236 - Step 5: Solve for x
x = 35,600,640,693,726,236/217,647,519.18 - Step 6: Final answer
x = 163,570,165.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.