Finding the Fourth Proportional to 73,867,107.36, 111,304,857.56 and 60,698,917.92
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Solution
The fourth proportional to 73,867,107.36, 111,304,857.56 and 60,698,917.92 is: 91,462,690.97
Step by Step Solution
- Step 1: Write the proportion equation
73,867,107.36 : 111,304,857.56 = 60,698,917.92 : x - Step 2: Convert to fraction form
73,867,107.36/111,304,857.56 = 60,698,917.92/x - Step 3: Cross multiply
73,867,107.36x = 111,304,857.56 × 60,698,917.92 - Step 4: Simplify right side
73,867,107.36x = 6,756,084,413,131,732 - Step 5: Solve for x
x = 6,756,084,413,131,732/73,867,107.36 - Step 6: Final answer
x = 91,462,690.97
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.