Finding the Fourth Proportional to 248,959,173.83, 343,593,786.56 and 141,694,575.98
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Solution
The fourth proportional to 248,959,173.83, 343,593,786.56 and 141,694,575.98 is: 195,555,661.38
Step by Step Solution
- Step 1: Write the proportion equation
248,959,173.83 : 343,593,786.56 = 141,694,575.98 : x - Step 2: Convert to fraction form
248,959,173.83/343,593,786.56 = 141,694,575.98/x - Step 3: Cross multiply
248,959,173.83x = 343,593,786.56 × 141,694,575.98 - Step 4: Simplify right side
248,959,173.83x = 48,685,375,896,132,328 - Step 5: Solve for x
x = 48,685,375,896,132,328/248,959,173.83 - Step 6: Final answer
x = 195,555,661.38
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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.