Finding the Fourth Proportional to 168,806,028.70, 253,173,613.02 and 47,609,137.18
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Solution
The fourth proportional to 168,806,028.70, 253,173,613.02 and 47,609,137.18 is: 71,403,713.28
Step by Step Solution
- Step 1: Write the proportion equation
168,806,028.70 : 253,173,613.02 = 47,609,137.18 : x - Step 2: Convert to fraction form
168,806,028.70/253,173,613.02 = 47,609,137.18/x - Step 3: Cross multiply
168,806,028.70x = 253,173,613.02 × 47,609,137.18 - Step 4: Simplify right side
168,806,028.70x = 12,053,377,272,625,414 - Step 5: Solve for x
x = 12,053,377,272,625,414/168,806,028.70 - Step 6: Final answer
x = 71,403,713.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.