Finding the Fourth Proportional to 77,519,297.73, 106,979,053.94 and 44,485,589.49
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Solution
The fourth proportional to 77,519,297.73, 106,979,053.94 and 44,485,589.49 is: 61,391,504.01
Step by Step Solution
- Step 1: Write the proportion equation
77,519,297.73 : 106,979,053.94 = 44,485,589.49 : x - Step 2: Convert to fraction form
77,519,297.73/106,979,053.94 = 44,485,589.49/x - Step 3: Cross multiply
77,519,297.73x = 106,979,053.94 × 44,485,589.49 - Step 4: Simplify right side
77,519,297.73x = 4,759,026,277,380,979 - Step 5: Solve for x
x = 4,759,026,277,380,979/77,519,297.73 - Step 6: Final answer
x = 61,391,504.01
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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.