Finding the Fourth Proportional to 79,723,786.70, 119,574,325.13 and 25,129,277.12
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Solution
The fourth proportional to 79,723,786.70, 119,574,325.13 and 25,129,277.12 is: 37,690,336.56
Step by Step Solution
- Step 1: Write the proportion equation
79,723,786.70 : 119,574,325.13 = 25,129,277.12 : x - Step 2: Convert to fraction form
79,723,786.70/119,574,325.13 = 25,129,277.12/x - Step 3: Cross multiply
79,723,786.70x = 119,574,325.13 × 25,129,277.12 - Step 4: Simplify right side
79,723,786.70x = 3,004,816,352,802,039.50 - Step 5: Solve for x
x = 3,004,816,352,802,039.50/79,723,786.70 - Step 6: Final answer
x = 37,690,336.56
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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.