Finding the Fourth Proportional to 164,358,074.58, 226,809,801.80 and 93,792,419.99
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Solution
The fourth proportional to 164,358,074.58, 226,809,801.80 and 93,792,419.99 is: 129,431,062.29
Step by Step Solution
- Step 1: Write the proportion equation
164,358,074.58 : 226,809,801.80 = 93,792,419.99 : x - Step 2: Convert to fraction form
164,358,074.58/226,809,801.80 = 93,792,419.99/x - Step 3: Cross multiply
164,358,074.58x = 226,809,801.80 × 93,792,419.99 - Step 4: Simplify right side
164,358,074.58x = 21,273,040,188,274,256 - Step 5: Solve for x
x = 21,273,040,188,274,256/164,358,074.58 - Step 6: Final answer
x = 129,431,062.29
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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.