Finding the Fourth Proportional to 81,389,361.80, 122,084,042.70 and 27,536,673.80
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Solution
The fourth proportional to 81,389,361.80, 122,084,042.70 and 27,536,673.80 is: 41,305,010.70
Step by Step Solution
- Step 1: Write the proportion equation
81,389,361.80 : 122,084,042.70 = 27,536,673.80 : x - Step 2: Convert to fraction form
81,389,361.80/122,084,042.70 = 27,536,673.80/x - Step 3: Cross multiply
81,389,361.80x = 122,084,042.70 × 27,536,673.80 - Step 4: Simplify right side
81,389,361.80x = 3,361,788,460,015,171.50 - Step 5: Solve for x
x = 3,361,788,460,015,171.50/81,389,361.80 - Step 6: Final answer
x = 41,305,010.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.