Finding the Fourth Proportional to 215,318,771.70, 322,593,245.55 and 131,034,707.70
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Solution
The fourth proportional to 215,318,771.70, 322,593,245.55 and 131,034,707.70 is: 196,317,818.94
Step by Step Solution
- Step 1: Write the proportion equation
215,318,771.70 : 322,593,245.55 = 131,034,707.70 : x - Step 2: Convert to fraction form
215,318,771.70/322,593,245.55 = 131,034,707.70/x - Step 3: Cross multiply
215,318,771.70x = 322,593,245.55 × 131,034,707.70 - Step 4: Simplify right side
215,318,771.70x = 42,270,911,636,638,576 - Step 5: Solve for x
x = 42,270,911,636,638,576/215,318,771.70 - Step 6: Final answer
x = 196,317,818.94
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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.