Finding the Fourth Proportional to 122,579,098.26, 169,161,031.17 and 66,824,556.18
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Solution
The fourth proportional to 122,579,098.26, 169,161,031.17 and 66,824,556.18 is: 92,218,910.00
Step by Step Solution
- Step 1: Write the proportion equation
122,579,098.26 : 169,161,031.17 = 66,824,556.18 : x - Step 2: Convert to fraction form
122,579,098.26/169,161,031.17 = 66,824,556.18/x - Step 3: Cross multiply
122,579,098.26x = 169,161,031.17 × 66,824,556.18 - Step 4: Simplify right side
122,579,098.26x = 11,304,110,830,886,396 - Step 5: Solve for x
x = 11,304,110,830,886,396/122,579,098.26 - Step 6: Final answer
x = 92,218,910.00
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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.