Finding the Fourth Proportional to 221,973,327,247.70, 306,270,689,775.18 and 125,629,413,675.14
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Solution
The fourth proportional to 221,973,327,247.70, 306,270,689,775.18 and 125,629,413,675.14 is: 173,338,876,609.26
Step by Step Solution
- Step 1: Write the proportion equation
221,973,327,247.70 : 306,270,689,775.18 = 125,629,413,675.14 : x - Step 2: Convert to fraction form
221,973,327,247.70/306,270,689,775.18 = 125,629,413,675.14/x - Step 3: Cross multiply
221,973,327,247.70x = 306,270,689,775.18 × 125,629,413,675.14 - Step 4: Simplify right side
221,973,327,247.70x = 38,476,607,182,336,556,007,424 - Step 5: Solve for x
x = 38,476,607,182,336,556,007,424/221,973,327,247.70 - Step 6: Final answer
x = 173,338,876,609.26
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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.