Finding the Fourth Proportional to 203,236,721.16, 304,855,316.92 and 55,685,536.68
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Solution
The fourth proportional to 203,236,721.16, 304,855,316.92 and 55,685,536.68 is: 83,528,369.46
Step by Step Solution
- Step 1: Write the proportion equation
203,236,721.16 : 304,855,316.92 = 55,685,536.68 : x - Step 2: Convert to fraction form
203,236,721.16/304,855,316.92 = 55,685,536.68/x - Step 3: Cross multiply
203,236,721.16x = 304,855,316.92 × 55,685,536.68 - Step 4: Simplify right side
203,236,721.16x = 16,976,031,932,441,686 - Step 5: Solve for x
x = 16,976,031,932,441,686/203,236,721.16 - Step 6: Final answer
x = 83,528,369.46
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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.