Finding the Fourth Proportional to 66,560,755.80, 91,852,080.84 and 37,192,329.66
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Solution
The fourth proportional to 66,560,755.80, 91,852,080.84 and 37,192,329.66 is: 51,324,430.28
Step by Step Solution
- Step 1: Write the proportion equation
66,560,755.80 : 91,852,080.84 = 37,192,329.66 : x - Step 2: Convert to fraction form
66,560,755.80/91,852,080.84 = 37,192,329.66/x - Step 3: Cross multiply
66,560,755.80x = 91,852,080.84 × 37,192,329.66 - Step 4: Simplify right side
66,560,755.80x = 3,416,192,870,558,249.50 - Step 5: Solve for x
x = 3,416,192,870,558,249.50/66,560,755.80 - Step 6: Final answer
x = 51,324,430.28
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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.