Finding the Fourth Proportional to 71,004,359.45, 106,498,271.97 and 19,186,499.99
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Solution
The fourth proportional to 71,004,359.45, 106,498,271.97 and 19,186,499.99 is: 28,777,516.05
Step by Step Solution
- Step 1: Write the proportion equation
71,004,359.45 : 106,498,271.97 = 19,186,499.99 : x - Step 2: Convert to fraction form
71,004,359.45/106,498,271.97 = 19,186,499.99/x - Step 3: Cross multiply
71,004,359.45x = 106,498,271.97 × 19,186,499.99 - Step 4: Simplify right side
71,004,359.45x = 2,043,329,093,554,930.75 - Step 5: Solve for x
x = 2,043,329,093,554,930.75/71,004,359.45 - Step 6: Final answer
x = 28,777,516.05
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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.