Finding the Fourth Proportional to 216,078,604.18, 324,118,737.33 and 52,316,087.92
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Solution
The fourth proportional to 216,078,604.18, 324,118,737.33 and 52,316,087.92 is: 78,474,333.09
Step by Step Solution
- Step 1: Write the proportion equation
216,078,604.18 : 324,118,737.33 = 52,316,087.92 : x - Step 2: Convert to fraction form
216,078,604.18/324,118,737.33 = 52,316,087.92/x - Step 3: Cross multiply
216,078,604.18x = 324,118,737.33 × 52,316,087.92 - Step 4: Simplify right side
216,078,604.18x = 16,956,624,358,675,666 - Step 5: Solve for x
x = 16,956,624,358,675,666/216,078,604.18 - Step 6: Final answer
x = 78,474,333.09
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1.5x scale
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.