Finding the Fourth Proportional to 116,848,197.04, 161,234,719.12 and 66,618,896.08
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Solution
The fourth proportional to 116,848,197.04, 161,234,719.12 and 66,618,896.08 is: 91,925,072.61
Step by Step Solution
- Step 1: Write the proportion equation
116,848,197.04 : 161,234,719.12 = 66,618,896.08 : x - Step 2: Convert to fraction form
116,848,197.04/161,234,719.12 = 66,618,896.08/x - Step 3: Cross multiply
116,848,197.04x = 161,234,719.12 × 66,618,896.08 - Step 4: Simplify right side
116,848,197.04x = 10,741,278,997,543,270 - Step 5: Solve for x
x = 10,741,278,997,543,270/116,848,197.04 - Step 6: Final answer
x = 91,925,072.61
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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.