Finding the Fourth Proportional to 75,385,246.24, 113,084,382.53 and 20,797,831.83
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Solution
The fourth proportional to 75,385,246.24, 113,084,382.53 and 20,797,831.83 is: 31,198,544.65
Step by Step Solution
- Step 1: Write the proportion equation
75,385,246.24 : 113,084,382.53 = 20,797,831.83 : x - Step 2: Convert to fraction form
75,385,246.24/113,084,382.53 = 20,797,831.83/x - Step 3: Cross multiply
75,385,246.24x = 113,084,382.53 × 20,797,831.83 - Step 4: Simplify right side
75,385,246.24x = 2,351,909,970,458,330 - Step 5: Solve for x
x = 2,351,909,970,458,330/75,385,246.24 - Step 6: Final answer
x = 31,198,544.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.