Finding the Fourth Proportional to 142,918,076.14, 197,227,042.35 and 80,185,514.14
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Solution
The fourth proportional to 142,918,076.14, 197,227,042.35 and 80,185,514.14 is: 110,656,064.09
Step by Step Solution
- Step 1: Write the proportion equation
142,918,076.14 : 197,227,042.35 = 80,185,514.14 : x - Step 2: Convert to fraction form
142,918,076.14/197,227,042.35 = 80,185,514.14/x - Step 3: Cross multiply
142,918,076.14x = 197,227,042.35 × 80,185,514.14 - Step 4: Simplify right side
142,918,076.14x = 15,814,751,793,146,304 - Step 5: Solve for x
x = 15,814,751,793,146,304/142,918,076.14 - Step 6: Final answer
x = 110,656,064.09
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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.