Finding the Fourth Proportional to 248,215,176.53, 342,561,138.48 and 185,382,189.44
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Solution
The fourth proportional to 248,215,176.53, 342,561,138.48 and 185,382,189.44 is: 255,845,491.63
Step by Step Solution
- Step 1: Write the proportion equation
248,215,176.53 : 342,561,138.48 = 185,382,189.44 : x - Step 2: Convert to fraction form
248,215,176.53/342,561,138.48 = 185,382,189.44/x - Step 3: Cross multiply
248,215,176.53x = 342,561,138.48 × 185,382,189.44 - Step 4: Simplify right side
248,215,176.53x = 63,504,733,868,481,440 - Step 5: Solve for x
x = 63,504,733,868,481,440/248,215,176.53 - Step 6: Final answer
x = 255,845,491.63
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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.