Finding the Fourth Proportional to 212,127,611.70, 318,204,866.52 and 66,566,918.28
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Solution
The fourth proportional to 212,127,611.70, 318,204,866.52 and 66,566,918.28 is: 99,854,597.79
Step by Step Solution
- Step 1: Write the proportion equation
212,127,611.70 : 318,204,866.52 = 66,566,918.28 : x - Step 2: Convert to fraction form
212,127,611.70/318,204,866.52 = 66,566,918.28/x - Step 3: Cross multiply
212,127,611.70x = 318,204,866.52 × 66,566,918.28 - Step 4: Simplify right side
212,127,611.70x = 21,181,917,345,935,148 - Step 5: Solve for x
x = 21,181,917,345,935,148/212,127,611.70 - Step 6: Final answer
x = 99,854,597.79
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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.