Finding the Fourth Proportional to 251,405,644.01, 346,743,242.84 and 163,328,020.13
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Solution
The fourth proportional to 251,405,644.01, 346,743,242.84 and 163,328,020.13 is: 225,264,979.92
Step by Step Solution
- Step 1: Write the proportion equation
251,405,644.01 : 346,743,242.84 = 163,328,020.13 : x - Step 2: Convert to fraction form
251,405,644.01/346,743,242.84 = 163,328,020.13/x - Step 3: Cross multiply
251,405,644.01x = 346,743,242.84 × 163,328,020.13 - Step 4: Simplify right side
251,405,644.01x = 56,632,887,347,788,168 - Step 5: Solve for x
x = 56,632,887,347,788,168/251,405,644.01 - Step 6: Final answer
x = 225,264,979.92
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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.