Finding the Fourth Proportional to 125,418,766.26, 173,080,639.01 and 68,904,240.47
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Solution
The fourth proportional to 125,418,766.26, 173,080,639.01 and 68,904,240.47 is: 95,089,358.05
Step by Step Solution
- Step 1: Write the proportion equation
125,418,766.26 : 173,080,639.01 = 68,904,240.47 : x - Step 2: Convert to fraction form
125,418,766.26/173,080,639.01 = 68,904,240.47/x - Step 3: Cross multiply
125,418,766.26x = 173,080,639.01 × 68,904,240.47 - Step 4: Simplify right side
125,418,766.26x = 11,925,989,971,002,212 - Step 5: Solve for x
x = 11,925,989,971,002,212/125,418,766.26 - Step 6: Final answer
x = 95,089,358.05
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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.