Finding the Fourth Proportional to 136,701,874.44, 188,649,161.93 and 73,977,975.45
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Solution
The fourth proportional to 136,701,874.44, 188,649,161.93 and 73,977,975.45 is: 102,089,917.40
Step by Step Solution
- Step 1: Write the proportion equation
136,701,874.44 : 188,649,161.93 = 73,977,975.45 : x - Step 2: Convert to fraction form
136,701,874.44/188,649,161.93 = 73,977,975.45/x - Step 3: Cross multiply
136,701,874.44x = 188,649,161.93 × 73,977,975.45 - Step 4: Simplify right side
136,701,874.44x = 13,955,883,069,920,616 - Step 5: Solve for x
x = 13,955,883,069,920,616/136,701,874.44 - Step 6: Final answer
x = 102,089,917.40
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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.