Finding the Fourth Proportional to 118,177,326.80, 163,084,087.56 and 68,629,883.60
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Solution
The fourth proportional to 118,177,326.80, 163,084,087.56 and 68,629,883.60 is: 94,708,877.32
Step by Step Solution
- Step 1: Write the proportion equation
118,177,326.80 : 163,084,087.56 = 68,629,883.60 : x - Step 2: Convert to fraction form
118,177,326.80/163,084,087.56 = 68,629,883.60/x - Step 3: Cross multiply
118,177,326.80x = 163,084,087.56 × 68,629,883.60 - Step 4: Simplify right side
118,177,326.80x = 11,192,441,946,255,008 - Step 5: Solve for x
x = 11,192,441,946,255,008/118,177,326.80 - Step 6: Final answer
x = 94,708,877.32
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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.