Finding the Fourth Proportional to 118,177,327.80, 163,084,088.94 and 68,629,884.60
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Solution
The fourth proportional to 118,177,327.80, 163,084,088.94 and 68,629,884.60 is: 94,708,878.70
Step by Step Solution
- Step 1: Write the proportion equation
118,177,327.80 : 163,084,088.94 = 68,629,884.60 : x - Step 2: Convert to fraction form
118,177,327.80/163,084,088.94 = 68,629,884.60/x - Step 3: Cross multiply
118,177,327.80x = 163,084,088.94 × 68,629,884.60 - Step 4: Simplify right side
118,177,327.80x = 11,192,442,204,048,336 - Step 5: Solve for x
x = 11,192,442,204,048,336/118,177,327.80 - Step 6: Final answer
x = 94,708,878.70
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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.