Finding the Fourth Proportional to 118,173,163.97, 163,106,176.06 and 69,296,338.37
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Solution
The fourth proportional to 118,173,163.97, 163,106,176.06 and 69,296,338.37 is: 95,644,902.68
Step by Step Solution
- Step 1: Write the proportion equation
118,173,163.97 : 163,106,176.06 = 69,296,338.37 : x - Step 2: Convert to fraction form
118,173,163.97/163,106,176.06 = 69,296,338.37/x - Step 3: Cross multiply
118,173,163.97x = 163,106,176.06 × 69,296,338.37 - Step 4: Simplify right side
118,173,163.97x = 11,302,660,766,984,940 - Step 5: Solve for x
x = 11,302,660,766,984,940/118,173,163.97 - Step 6: Final answer
x = 95,644,902.68
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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.