Finding the Fourth Proportional to 216,874,249.94, 299,291,665.57 and 117,759,174.84
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Solution
The fourth proportional to 216,874,249.94, 299,291,665.57 and 117,759,174.84 is: 162,510,485.15
Step by Step Solution
- Step 1: Write the proportion equation
216,874,249.94 : 299,291,665.57 = 117,759,174.84 : x - Step 2: Convert to fraction form
216,874,249.94/299,291,665.57 = 117,759,174.84/x - Step 3: Cross multiply
216,874,249.94x = 299,291,665.57 × 117,759,174.84 - Step 4: Simplify right side
216,874,249.94x = 35,244,339,573,718,040 - Step 5: Solve for x
x = 35,244,339,573,718,040/216,874,249.94 - Step 6: Final answer
x = 162,510,485.15
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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.