Finding the Fourth Proportional to 171,168,101.10, 236,136,695.04 and 115,393,146.84
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Solution
The fourth proportional to 171,168,101.10, 236,136,695.04 and 115,393,146.84 is: 159,191,789.53
Step by Step Solution
- Step 1: Write the proportion equation
171,168,101.10 : 236,136,695.04 = 115,393,146.84 : x - Step 2: Convert to fraction form
171,168,101.10/236,136,695.04 = 115,393,146.84/x - Step 3: Cross multiply
171,168,101.10x = 236,136,695.04 × 115,393,146.84 - Step 4: Simplify right side
171,168,101.10x = 27,248,556,325,063,020 - Step 5: Solve for x
x = 27,248,556,325,063,020/171,168,101.10 - Step 6: Final answer
x = 159,191,789.53
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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.