Finding the Fourth Proportional to 248,286,224.26, 342,634,991.52 and 138,277,937.26
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Solution
The fourth proportional to 248,286,224.26, 342,634,991.52 and 138,277,937.26 is: 190,823,554.56
Step by Step Solution
- Step 1: Write the proportion equation
248,286,224.26 : 342,634,991.52 = 138,277,937.26 : x - Step 2: Convert to fraction form
248,286,224.26/342,634,991.52 = 138,277,937.26/x - Step 3: Cross multiply
248,286,224.26x = 342,634,991.52 × 138,277,937.26 - Step 4: Simplify right side
248,286,224.26x = 47,378,859,860,483,184 - Step 5: Solve for x
x = 47,378,859,860,483,184/248,286,224.26 - Step 6: Final answer
x = 190,823,554.56
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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.