Finding the Fourth Proportional to 198,246,526.26, 273,584,762.65 and 108,944,022.42
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Solution
The fourth proportional to 198,246,526.26, 273,584,762.65 and 108,944,022.42 is: 150,345,254.86
Step by Step Solution
- Step 1: Write the proportion equation
198,246,526.26 : 273,584,762.65 = 108,944,022.42 : x - Step 2: Convert to fraction form
198,246,526.26/273,584,762.65 = 108,944,022.42/x - Step 3: Cross multiply
198,246,526.26x = 273,584,762.65 × 108,944,022.42 - Step 4: Simplify right side
198,246,526.26x = 29,805,424,515,911,976 - Step 5: Solve for x
x = 29,805,424,515,911,976/198,246,526.26 - Step 6: Final answer
x = 150,345,254.86
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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.