Finding the Fourth Proportional to 55,344,643.20, 83,016,964.80 and 24,639,163.20
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Solution
The fourth proportional to 55,344,643.20, 83,016,964.80 and 24,639,163.20 is: 36,958,744.80
Step by Step Solution
- Step 1: Write the proportion equation
55,344,643.20 : 83,016,964.80 = 24,639,163.20 : x - Step 2: Convert to fraction form
55,344,643.20/83,016,964.80 = 24,639,163.20/x - Step 3: Cross multiply
55,344,643.20x = 83,016,964.80 × 24,639,163.20 - Step 4: Simplify right side
55,344,643.20x = 2,045,468,544,075,855.25 - Step 5: Solve for x
x = 2,045,468,544,075,855.25/55,344,643.20 - Step 6: Final answer
x = 36,958,744.80
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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.