Finding the Fourth Proportional to 203,932,689.44, 305,602,301.68 and 126,043,296.80
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Solution
The fourth proportional to 203,932,689.44, 305,602,301.68 and 126,043,296.80 is: 188,881,545.76
Step by Step Solution
- Step 1: Write the proportion equation
203,932,689.44 : 305,602,301.68 = 126,043,296.80 : x - Step 2: Convert to fraction form
203,932,689.44/305,602,301.68 = 126,043,296.80/x - Step 3: Cross multiply
203,932,689.44x = 305,602,301.68 × 126,043,296.80 - Step 4: Simplify right side
203,932,689.44x = 38,519,121,613,415,376 - Step 5: Solve for x
x = 38,519,121,613,415,376/203,932,689.44 - Step 6: Final answer
x = 188,881,545.76
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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.