Finding the Fourth Proportional to 123,365,710.08, 170,245,694.16 and 68,362,485.12
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Solution
The fourth proportional to 123,365,710.08, 170,245,694.16 and 68,362,485.12 is: 94,340,791.51
Step by Step Solution
- Step 1: Write the proportion equation
123,365,710.08 : 170,245,694.16 = 68,362,485.12 : x - Step 2: Convert to fraction form
123,365,710.08/170,245,694.16 = 68,362,485.12/x - Step 3: Cross multiply
123,365,710.08x = 170,245,694.16 × 68,362,485.12 - Step 4: Simplify right side
123,365,710.08x = 11,638,418,733,757,072 - Step 5: Solve for x
x = 11,638,418,733,757,072/123,365,710.08 - Step 6: Final answer
x = 94,340,791.51
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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.