Finding the Fourth Proportional to 53,765,325.70, 80,647,988.55 and 53,765,325.70
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Solution
The fourth proportional to 53,765,325.70, 80,647,988.55 and 53,765,325.70 is: 80,647,988.55
Step by Step Solution
- Step 1: Write the proportion equation
53,765,325.70 : 80,647,988.55 = 53,765,325.70 : x - Step 2: Convert to fraction form
53,765,325.70/80,647,988.55 = 53,765,325.70/x - Step 3: Cross multiply
53,765,325.70x = 80,647,988.55 × 53,765,325.70 - Step 4: Simplify right side
53,765,325.70x = 4,336,065,371,440,621 - Step 5: Solve for x
x = 4,336,065,371,440,621/53,765,325.70 - Step 6: Final answer
x = 80,647,988.55
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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.