Finding the Fourth Proportional to 163,746,067.98, 225,972,719.10 and 89,409,575.91
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Solution
The fourth proportional to 163,746,067.98, 225,972,719.10 and 89,409,575.91 is: 123,386,932.16
Step by Step Solution
- Step 1: Write the proportion equation
163,746,067.98 : 225,972,719.10 = 89,409,575.91 : x - Step 2: Convert to fraction form
163,746,067.98/225,972,719.10 = 89,409,575.91/x - Step 3: Cross multiply
163,746,067.98x = 225,972,719.10 × 89,409,575.91 - Step 4: Simplify right side
163,746,067.98x = 20,204,124,981,960,556 - Step 5: Solve for x
x = 20,204,124,981,960,556/163,746,067.98 - Step 6: Final answer
x = 123,386,932.16
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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.