Finding the Fourth Proportional to 218,440,981.80, 327,661,472.70 and 56,882,917.80
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Solution
The fourth proportional to 218,440,981.80, 327,661,472.70 and 56,882,917.80 is: 85,324,376.70
Step by Step Solution
- Step 1: Write the proportion equation
218,440,981.80 : 327,661,472.70 = 56,882,917.80 : x - Step 2: Convert to fraction form
218,440,981.80/327,661,472.70 = 56,882,917.80/x - Step 3: Cross multiply
218,440,981.80x = 327,661,472.70 × 56,882,917.80 - Step 4: Simplify right side
218,440,981.80x = 18,638,340,617,821,044 - Step 5: Solve for x
x = 18,638,340,617,821,044/218,440,981.80 - Step 6: Final answer
x = 85,324,376.70
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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.