Finding the Fourth Proportional to 125,821,531.48, 173,544,270.84 and 83,984,503.06
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Solution
The fourth proportional to 125,821,531.48, 173,544,270.84 and 83,984,503.06 is: 115,838,912.26
Step by Step Solution
- Step 1: Write the proportion equation
125,821,531.48 : 173,544,270.84 = 83,984,503.06 : x - Step 2: Convert to fraction form
125,821,531.48/173,544,270.84 = 83,984,503.06/x - Step 3: Cross multiply
125,821,531.48x = 173,544,270.84 × 83,984,503.06 - Step 4: Simplify right side
125,821,531.48x = 14,575,029,345,407,450 - Step 5: Solve for x
x = 14,575,029,345,407,450/125,821,531.48 - Step 6: Final answer
x = 115,838,912.26
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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.