Finding the Fourth Proportional to 220,657,375.09, 304,507,163.19 and 127,891,691.34
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Solution
The fourth proportional to 220,657,375.09, 304,507,163.19 and 127,891,691.34 is: 176,490,525.68
Step by Step Solution
- Step 1: Write the proportion equation
220,657,375.09 : 304,507,163.19 = 127,891,691.34 : x - Step 2: Convert to fraction form
220,657,375.09/304,507,163.19 = 127,891,691.34/x - Step 3: Cross multiply
220,657,375.09x = 304,507,163.19 × 127,891,691.34 - Step 4: Simplify right side
220,657,375.09x = 38,943,936,125,514,488 - Step 5: Solve for x
x = 38,943,936,125,514,488/220,657,375.09 - Step 6: Final answer
x = 176,490,525.68
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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.