Finding the Fourth Proportional to 68,728,259.38, 94,846,970.51 and 41,907,161.99
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Solution
The fourth proportional to 68,728,259.38, 94,846,970.51 and 41,907,161.99 is: 57,833,086.32
Step by Step Solution
- Step 1: Write the proportion equation
68,728,259.38 : 94,846,970.51 = 41,907,161.99 : x - Step 2: Convert to fraction form
68,728,259.38/94,846,970.51 = 41,907,161.99/x - Step 3: Cross multiply
68,728,259.38x = 94,846,970.51 × 41,907,161.99 - Step 4: Simplify right side
68,728,259.38x = 3,974,767,357,423,323.50 - Step 5: Solve for x
x = 3,974,767,357,423,323.50/68,728,259.38 - Step 6: Final answer
x = 57,833,086.32
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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.