Finding the Fourth Proportional to 200,489,245.60, 276,732,821.68 and 121,091,695.52
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Solution
The fourth proportional to 200,489,245.60, 276,732,821.68 and 121,091,695.52 is: 167,141,367.02
Step by Step Solution
- Step 1: Write the proportion equation
200,489,245.60 : 276,732,821.68 = 121,091,695.52 : x - Step 2: Convert to fraction form
200,489,245.60/276,732,821.68 = 121,091,695.52/x - Step 3: Cross multiply
200,489,245.60x = 276,732,821.68 × 121,091,695.52 - Step 4: Simplify right side
200,489,245.60x = 33,510,046,583,265,016 - Step 5: Solve for x
x = 33,510,046,583,265,016/200,489,245.60 - Step 6: Final answer
x = 167,141,367.02
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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.