Finding the Fourth Proportional to 125,578,891.08, 173,259,920.97 and 73,330,236.36
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Solution
The fourth proportional to 125,578,891.08, 173,259,920.97 and 73,330,236.36 is: 101,172,982.55
Step by Step Solution
- Step 1: Write the proportion equation
125,578,891.08 : 173,259,920.97 = 73,330,236.36 : x - Step 2: Convert to fraction form
125,578,891.08/173,259,920.97 = 73,330,236.36/x - Step 3: Cross multiply
125,578,891.08x = 173,259,920.97 × 73,330,236.36 - Step 4: Simplify right side
125,578,891.08x = 12,705,190,956,445,020 - Step 5: Solve for x
x = 12,705,190,956,445,020/125,578,891.08 - Step 6: Final answer
x = 101,172,982.55
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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.