Finding the Fourth Proportional to 49,604,726.94, 68,456,006.37 and 27,276,553.14
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Solution
The fourth proportional to 49,604,726.94, 68,456,006.37 and 27,276,553.14 is: 37,642,458.91
Step by Step Solution
- Step 1: Write the proportion equation
49,604,726.94 : 68,456,006.37 = 27,276,553.14 : x - Step 2: Convert to fraction form
49,604,726.94/68,456,006.37 = 27,276,553.14/x - Step 3: Cross multiply
49,604,726.94x = 68,456,006.37 × 27,276,553.14 - Step 4: Simplify right side
49,604,726.94x = 1,867,243,895,503,483.75 - Step 5: Solve for x
x = 1,867,243,895,503,483.75/49,604,726.94 - Step 6: Final answer
x = 37,642,458.91
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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.