Finding the Fourth Proportional to 69,539,219.20, 104,304,163.20 and 18,420,140.80
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Solution
The fourth proportional to 69,539,219.20, 104,304,163.20 and 18,420,140.80 is: 27,628,975.34
Step by Step Solution
- Step 1: Write the proportion equation
69,539,219.20 : 104,304,163.20 = 18,420,140.80 : x - Step 2: Convert to fraction form
69,539,219.20/104,304,163.20 = 18,420,140.80/x - Step 3: Cross multiply
69,539,219.20x = 104,304,163.20 × 18,420,140.80 - Step 4: Simplify right side
69,539,219.20x = 1,921,297,372,170,178.75 - Step 5: Solve for x
x = 1,921,297,372,170,178.75/69,539,219.20 - Step 6: Final answer
x = 27,628,975.34
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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.