Finding the Fourth Proportional to 81,391,655.97, 112,321,506.69 and 44,222,556.84
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Solution
The fourth proportional to 81,391,655.97, 112,321,506.69 and 44,222,556.84 is: 61,027,683.42
Step by Step Solution
- Step 1: Write the proportion equation
81,391,655.97 : 112,321,506.69 = 44,222,556.84 : x - Step 2: Convert to fraction form
81,391,655.97/112,321,506.69 = 44,222,556.84/x - Step 3: Cross multiply
81,391,655.97x = 112,321,506.69 × 44,222,556.84 - Step 4: Simplify right side
81,391,655.97x = 4,967,144,213,952,966 - Step 5: Solve for x
x = 4,967,144,213,952,966/81,391,655.97 - Step 6: Final answer
x = 61,027,683.42
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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.