Finding the Fourth Proportional to 50,306,830.26, 69,426,159.06 and 27,982,174.80
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Solution
The fourth proportional to 50,306,830.26, 69,426,159.06 and 27,982,174.80 is: 38,616,921.57
Step by Step Solution
- Step 1: Write the proportion equation
50,306,830.26 : 69,426,159.06 = 27,982,174.80 : x - Step 2: Convert to fraction form
50,306,830.26/69,426,159.06 = 27,982,174.80/x - Step 3: Cross multiply
50,306,830.26x = 69,426,159.06 × 27,982,174.80 - Step 4: Simplify right side
50,306,830.26x = 1,942,694,918,509,523.75 - Step 5: Solve for x
x = 1,942,694,918,509,523.75/50,306,830.26 - Step 6: Final answer
x = 38,616,921.57
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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.