Finding the Fourth Proportional to 66,620,723.09, 91,929,520.00 and 36,846,639.84
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Solution
The fourth proportional to 66,620,723.09, 91,929,520.00 and 36,846,639.84 is: 50,844,448.35
Step by Step Solution
- Step 1: Write the proportion equation
66,620,723.09 : 91,929,520.00 = 36,846,639.84 : x - Step 2: Convert to fraction form
66,620,723.09/91,929,520.00 = 36,846,639.84/x - Step 3: Cross multiply
66,620,723.09x = 91,929,520.00 × 36,846,639.84 - Step 4: Simplify right side
66,620,723.09x = 3,387,293,913,770,505 - Step 5: Solve for x
x = 3,387,293,913,770,505/66,620,723.09 - Step 6: Final answer
x = 50,844,448.35
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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.