Finding the Fourth Proportional to 46,191,478.80, 69,212,568.60 and 29,121,603.60
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Solution
The fourth proportional to 46,191,478.80, 69,212,568.60 and 29,121,603.60 is: 43,635,342.26
Step by Step Solution
- Step 1: Write the proportion equation
46,191,478.80 : 69,212,568.60 = 29,121,603.60 : x - Step 2: Convert to fraction form
46,191,478.80/69,212,568.60 = 29,121,603.60/x - Step 3: Cross multiply
46,191,478.80x = 69,212,568.60 × 29,121,603.60 - Step 4: Simplify right side
46,191,478.80x = 2,015,580,986,907,007 - Step 5: Solve for x
x = 2,015,580,986,907,007/46,191,478.80 - Step 6: Final answer
x = 43,635,342.26
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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.