Finding the Fourth Proportional to 80,188,517,509.67, 120,207,999,817.58 and 27,092,418,425.37
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Solution
The fourth proportional to 80,188,517,509.67, 120,207,999,817.58 and 27,092,418,425.37 is: 40,613,363,736.80
Step by Step Solution
- Step 1: Write the proportion equation
80,188,517,509.67 : 120,207,999,817.58 = 27,092,418,425.37 : x - Step 2: Convert to fraction form
80,188,517,509.67/120,207,999,817.58 = 27,092,418,425.37/x - Step 3: Cross multiply
80,188,517,509.67x = 120,207,999,817.58 × 27,092,418,425.37 - Step 4: Simplify right side
80,188,517,509.67x = 3,256,725,429,134,677,770,240 - Step 5: Solve for x
x = 3,256,725,429,134,677,770,240/80,188,517,509.67 - Step 6: Final answer
x = 40,613,363,736.80
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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.