Finding the Fourth Proportional to 106,138,399.68, 159,208,491.06 and 29,467,406.88
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Solution
The fourth proportional to 106,138,399.68, 159,208,491.06 and 29,467,406.88 is: 44,201,357.84
Step by Step Solution
- Step 1: Write the proportion equation
106,138,399.68 : 159,208,491.06 = 29,467,406.88 : x - Step 2: Convert to fraction form
106,138,399.68/159,208,491.06 = 29,467,406.88/x - Step 3: Cross multiply
106,138,399.68x = 159,208,491.06 × 29,467,406.88 - Step 4: Simplify right side
106,138,399.68x = 4,691,461,384,815,862 - Step 5: Solve for x
x = 4,691,461,384,815,862/106,138,399.68 - Step 6: Final answer
x = 44,201,357.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.