Finding the Fourth Proportional to 251,405,645.51, 346,743,244.91 and 163,328,021.64
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Solution
The fourth proportional to 251,405,645.51, 346,743,244.91 and 163,328,021.64 is: 225,264,981.99
Step by Step Solution
- Step 1: Write the proportion equation
251,405,645.51 : 346,743,244.91 = 163,328,021.64 : x - Step 2: Convert to fraction form
251,405,645.51/346,743,244.91 = 163,328,021.64/x - Step 3: Cross multiply
251,405,645.51x = 346,743,244.91 × 163,328,021.64 - Step 4: Simplify right side
251,405,645.51x = 56,632,888,207,367,648 - Step 5: Solve for x
x = 56,632,888,207,367,648/251,405,645.51 - Step 6: Final answer
x = 225,264,981.99
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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.