Finding the Fourth Proportional to 100,642,211.28, 150,946,497.99 and 27,866,348.46
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Solution
The fourth proportional to 100,642,211.28, 150,946,497.99 and 27,866,348.46 is: 41,794,865.78
Step by Step Solution
- Step 1: Write the proportion equation
100,642,211.28 : 150,946,497.99 = 27,866,348.46 : x - Step 2: Convert to fraction form
100,642,211.28/150,946,497.99 = 27,866,348.46/x - Step 3: Cross multiply
100,642,211.28x = 150,946,497.99 × 27,866,348.46 - Step 4: Simplify right side
100,642,211.28x = 4,206,327,711,806,030 - Step 5: Solve for x
x = 4,206,327,711,806,030/100,642,211.28 - Step 6: Final answer
x = 41,794,865.78
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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.