Finding the Fourth Proportional to 194,633,696.64, 268,565,608.98 and 118,212,186
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Solution
The fourth proportional to 194,633,696.64, 268,565,608.98 and 118,212,186 is: 163,115,268.68
Step by Step Solution
- Step 1: Write the proportion equation
194,633,696.64 : 268,565,608.98 = 118,212,186 : x - Step 2: Convert to fraction form
194,633,696.64/268,565,608.98 = 118,212,186/x - Step 3: Cross multiply
194,633,696.64x = 268,565,608.98 × 118,212,186 - Step 4: Simplify right side
194,633,696.64x = 31,747,727,721,947,032 - Step 5: Solve for x
x = 31,747,727,721,947,032/194,633,696.64 - Step 6: Final answer
x = 163,115,268.68
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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.