Finding the Fourth Proportional to 115,055,448.88, 172,583,174.75 and 27,616,965.65
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Solution
The fourth proportional to 115,055,448.88, 172,583,174.75 and 27,616,965.65 is: 41,425,448.82
Step by Step Solution
- Step 1: Write the proportion equation
115,055,448.88 : 172,583,174.75 = 27,616,965.65 : x - Step 2: Convert to fraction form
115,055,448.88/172,583,174.75 = 27,616,965.65/x - Step 3: Cross multiply
115,055,448.88x = 172,583,174.75 × 27,616,965.65 - Step 4: Simplify right side
115,055,448.88x = 4,766,223,609,339,198 - Step 5: Solve for x
x = 4,766,223,609,339,198/115,055,448.88 - Step 6: Final answer
x = 41,425,448.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.