Finding the Fourth Proportional to 141,526,861.74, 195,274,753.02 and 79,624,614.06
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Solution
The fourth proportional to 141,526,861.74, 195,274,753.02 and 79,624,614.06 is: 109,863,785.95
Step by Step Solution
- Step 1: Write the proportion equation
141,526,861.74 : 195,274,753.02 = 79,624,614.06 : x - Step 2: Convert to fraction form
141,526,861.74/195,274,753.02 = 79,624,614.06/x - Step 3: Cross multiply
141,526,861.74x = 195,274,753.02 × 79,624,614.06 - Step 4: Simplify right side
141,526,861.74x = 15,548,676,844,879,320 - Step 5: Solve for x
x = 15,548,676,844,879,320/141,526,861.74 - Step 6: Final answer
x = 109,863,785.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.