Finding the Fourth Proportional to 125,626,950.72, 173,497,361.94 and 111,932,569.08
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Solution
The fourth proportional to 125,626,950.72, 173,497,361.94 and 111,932,569.08 is: 154,584,707.65
Step by Step Solution
- Step 1: Write the proportion equation
125,626,950.72 : 173,497,361.94 = 111,932,569.08 : x - Step 2: Convert to fraction form
125,626,950.72/173,497,361.94 = 111,932,569.08/x - Step 3: Cross multiply
125,626,950.72x = 173,497,361.94 × 111,932,569.08 - Step 4: Simplify right side
125,626,950.72x = 19,420,005,450,546,812 - Step 5: Solve for x
x = 19,420,005,450,546,812/125,626,950.72 - Step 6: Final answer
x = 154,584,707.65
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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.