Finding the Fourth Proportional to 49,853,853.94, 68,809,797.66 and 29,233,943.14
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Solution
The fourth proportional to 49,853,853.94, 68,809,797.66 and 29,233,943.14 is: 40,349,572.87
Step by Step Solution
- Step 1: Write the proportion equation
49,853,853.94 : 68,809,797.66 = 29,233,943.14 : x - Step 2: Convert to fraction form
49,853,853.94/68,809,797.66 = 29,233,943.14/x - Step 3: Cross multiply
49,853,853.94x = 68,809,797.66 × 29,233,943.14 - Step 4: Simplify right side
49,853,853.94x = 2,011,581,712,267,345 - Step 5: Solve for x
x = 2,011,581,712,267,345/49,853,853.94 - Step 6: Final answer
x = 40,349,572.87
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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.