Finding the Fourth Proportional to 93,675,546.38, 129,285,782.54 and 53,975,476.52
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Solution
The fourth proportional to 93,675,546.38, 129,285,782.54 and 53,975,476.52 is: 74,493,952.69
Step by Step Solution
- Step 1: Write the proportion equation
93,675,546.38 : 129,285,782.54 = 53,975,476.52 : x - Step 2: Convert to fraction form
93,675,546.38/129,285,782.54 = 53,975,476.52/x - Step 3: Cross multiply
93,675,546.38x = 129,285,782.54 × 53,975,476.52 - Step 4: Simplify right side
93,675,546.38x = 6,978,261,720,315,749 - Step 5: Solve for x
x = 6,978,261,720,315,749/93,675,546.38 - Step 6: Final answer
x = 74,493,952.69
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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.