Finding the Fourth Proportional to 212,560,937,613.36, 319,068,303,117.61 and 91,609,182,828.01
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Solution
The fourth proportional to 212,560,937,613.36, 319,068,303,117.61 and 91,609,182,828.01 is: 137,511,561,828.40
Step by Step Solution
- Step 1: Write the proportion equation
212,560,937,613.36 : 319,068,303,117.61 = 91,609,182,828.01 : x - Step 2: Convert to fraction form
212,560,937,613.36/319,068,303,117.61 = 91,609,182,828.01/x - Step 3: Cross multiply
212,560,937,613.36x = 319,068,303,117.61 × 91,609,182,828.01 - Step 4: Simplify right side
212,560,937,613.36x = 29,229,586,514,922,451,238,912 - Step 5: Solve for x
x = 29,229,586,514,922,451,238,912/212,560,937,613.36 - Step 6: Final answer
x = 137,511,561,828.40
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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.