Finding the Fourth Proportional to 136,876,243, 205,323,811.26 and 39,832,754.44
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Solution
The fourth proportional to 136,876,243, 205,323,811.26 and 39,832,754.44 is: 59,751,880.79
Step by Step Solution
- Step 1: Write the proportion equation
136,876,243 : 205,323,811.26 = 39,832,754.44 : x - Step 2: Convert to fraction form
136,876,243/205,323,811.26 = 39,832,754.44/x - Step 3: Cross multiply
136,876,243x = 205,323,811.26 × 39,832,754.44 - Step 4: Simplify right side
136,876,243x = 8,178,612,954,604,486 - Step 5: Solve for x
x = 8,178,612,954,604,486/136,876,243 - Step 6: Final answer
x = 59,751,880.79
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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.