Finding the Fourth Proportional to 49,761,986.20, 68,671,859.73 and 27,736,882.20
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Solution
The fourth proportional to 49,761,986.20, 68,671,859.73 and 27,736,882.20 is: 38,277,075.12
Step by Step Solution
- Step 1: Write the proportion equation
49,761,986.20 : 68,671,859.73 = 27,736,882.20 : x - Step 2: Convert to fraction form
49,761,986.20/68,671,859.73 = 27,736,882.20/x - Step 3: Cross multiply
49,761,986.20x = 68,671,859.73 × 27,736,882.20 - Step 4: Simplify right side
49,761,986.20x = 1,904,743,283,785,933.75 - Step 5: Solve for x
x = 1,904,743,283,785,933.75/49,761,986.20 - Step 6: Final answer
x = 38,277,075.12
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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.