Finding the Fourth Proportional to 182,540,511.92, 251,992,769.64 and 122,293,244.63
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Solution
The fourth proportional to 182,540,511.92, 251,992,769.64 and 122,293,244.63 is: 168,822,871.69
Step by Step Solution
- Step 1: Write the proportion equation
182,540,511.92 : 251,992,769.64 = 122,293,244.63 : x - Step 2: Convert to fraction form
182,540,511.92/251,992,769.64 = 122,293,244.63/x - Step 3: Cross multiply
182,540,511.92x = 251,992,769.64 × 122,293,244.63 - Step 4: Simplify right side
182,540,511.92x = 30,817,013,422,575,756 - Step 5: Solve for x
x = 30,817,013,422,575,756/182,540,511.92 - Step 6: Final answer
x = 168,822,871.69
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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.