Finding the Fourth Proportional to 198,246,213.66, 273,563,735.54 and 114,619,709.70
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Solution
The fourth proportional to 198,246,213.66, 273,563,735.54 and 114,619,709.70 is: 158,165,925.96
Step by Step Solution
- Step 1: Write the proportion equation
198,246,213.66 : 273,563,735.54 = 114,619,709.70 : x - Step 2: Convert to fraction form
198,246,213.66/273,563,735.54 = 114,619,709.70/x - Step 3: Cross multiply
198,246,213.66x = 273,563,735.54 × 114,619,709.70 - Step 4: Simplify right side
198,246,213.66x = 31,355,795,952,042,376 - Step 5: Solve for x
x = 31,355,795,952,042,376/198,246,213.66 - Step 6: Final answer
x = 158,165,925.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.