Finding the Fourth Proportional to 221,273,704.44, 331,746,928.34 and 133,815,778.02
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Solution
The fourth proportional to 221,273,704.44, 331,746,928.34 and 133,815,778.02 is: 200,624,712.43
Step by Step Solution
- Step 1: Write the proportion equation
221,273,704.44 : 331,746,928.34 = 133,815,778.02 : x - Step 2: Convert to fraction form
221,273,704.44/331,746,928.34 = 133,815,778.02/x - Step 3: Cross multiply
221,273,704.44x = 331,746,928.34 × 133,815,778.02 - Step 4: Simplify right side
221,273,704.44x = 44,392,973,319,960,992 - Step 5: Solve for x
x = 44,392,973,319,960,992/221,273,704.44 - Step 6: Final answer
x = 200,624,712.43
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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.