Finding the Fourth Proportional to 248,959,171.83, 343,593,783.80 and 141,694,573.98
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Solution
The fourth proportional to 248,959,171.83, 343,593,783.80 and 141,694,573.98 is: 195,555,658.62
Step by Step Solution
- Step 1: Write the proportion equation
248,959,171.83 : 343,593,783.80 = 141,694,573.98 : x - Step 2: Convert to fraction form
248,959,171.83/343,593,783.80 = 141,694,573.98/x - Step 3: Cross multiply
248,959,171.83x = 343,593,783.80 × 141,694,573.98 - Step 4: Simplify right side
248,959,171.83x = 48,685,374,817,717,224 - Step 5: Solve for x
x = 48,685,374,817,717,224/248,959,171.83 - Step 6: Final answer
x = 195,555,658.62
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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.