Finding the Fourth Proportional to 203,012,616.36, 304,530,664.68 and 57,433,982.88
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Solution
The fourth proportional to 203,012,616.36, 304,530,664.68 and 57,433,982.88 is: 86,154,295.70
Step by Step Solution
- Step 1: Write the proportion equation
203,012,616.36 : 304,530,664.68 = 57,433,982.88 : x - Step 2: Convert to fraction form
203,012,616.36/304,530,664.68 = 57,433,982.88/x - Step 3: Cross multiply
203,012,616.36x = 304,530,664.68 × 57,433,982.88 - Step 4: Simplify right side
203,012,616.36x = 17,490,408,981,666,142 - Step 5: Solve for x
x = 17,490,408,981,666,142/203,012,616.36 - Step 6: Final answer
x = 86,154,295.70
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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.