Finding the Fourth Proportional to 251,643,042.90, 347,088,514.14 and 167,968,986.12
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Solution
The fourth proportional to 251,643,042.90, 347,088,514.14 and 167,968,986.12 is: 231,677,797.02
Step by Step Solution
- Step 1: Write the proportion equation
251,643,042.90 : 347,088,514.14 = 167,968,986.12 : x - Step 2: Convert to fraction form
251,643,042.90/347,088,514.14 = 167,968,986.12/x - Step 3: Cross multiply
251,643,042.90x = 347,088,514.14 × 167,968,986.12 - Step 4: Simplify right side
251,643,042.90x = 58,300,105,813,993,080 - Step 5: Solve for x
x = 58,300,105,813,993,080/251,643,042.90 - Step 6: Final answer
x = 231,677,797.02
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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.