Finding the Fourth Proportional to 221,260,994.10, 331,891,491.15 and 106,469,738.10
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Solution
The fourth proportional to 221,260,994.10, 331,891,491.15 and 106,469,738.10 is: 159,704,607.15
Step by Step Solution
- Step 1: Write the proportion equation
221,260,994.10 : 331,891,491.15 = 106,469,738.10 : x - Step 2: Convert to fraction form
221,260,994.10/331,891,491.15 = 106,469,738.10/x - Step 3: Cross multiply
221,260,994.10x = 331,891,491.15 × 106,469,738.10 - Step 4: Simplify right side
221,260,994.10x = 35,336,400,140,358,964 - Step 5: Solve for x
x = 35,336,400,140,358,964/221,260,994.10 - Step 6: Final answer
x = 159,704,607.15
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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.