Finding the Fourth Proportional to 106,329,190.80, 159,493,786.20 and 38,163,025.20
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Solution
The fourth proportional to 106,329,190.80, 159,493,786.20 and 38,163,025.20 is: 57,244,537.80
Step by Step Solution
- Step 1: Write the proportion equation
106,329,190.80 : 159,493,786.20 = 38,163,025.20 : x - Step 2: Convert to fraction form
106,329,190.80/159,493,786.20 = 38,163,025.20/x - Step 3: Cross multiply
106,329,190.80x = 159,493,786.20 × 38,163,025.20 - Step 4: Simplify right side
106,329,190.80x = 6,086,765,381,994,012 - Step 5: Solve for x
x = 6,086,765,381,994,012/106,329,190.80 - Step 6: Final answer
x = 57,244,537.80
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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.