Finding the Fourth Proportional to 106,400,312.09, 159,607,201.34 and 44,978,020.70
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Solution
The fourth proportional to 106,400,312.09, 159,607,201.34 and 44,978,020.70 is: 67,469,877.33
Step by Step Solution
- Step 1: Write the proportion equation
106,400,312.09 : 159,607,201.34 = 44,978,020.70 : x - Step 2: Convert to fraction form
106,400,312.09/159,607,201.34 = 44,978,020.70/x - Step 3: Cross multiply
106,400,312.09x = 159,607,201.34 × 44,978,020.70 - Step 4: Simplify right side
106,400,312.09x = 7,178,816,004,716,662 - Step 5: Solve for x
x = 7,178,816,004,716,662/106,400,312.09 - Step 6: Final answer
x = 67,469,877.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.