Finding the Fourth Proportional to 53,299,431.80, 79,949,147.70 and 53,299,431.80
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Solution
The fourth proportional to 53,299,431.80, 79,949,147.70 and 53,299,431.80 is: 79,949,147.70
Step by Step Solution
- Step 1: Write the proportion equation
53,299,431.80 : 79,949,147.70 = 53,299,431.80 : x - Step 2: Convert to fraction form
53,299,431.80/79,949,147.70 = 53,299,431.80/x - Step 3: Cross multiply
53,299,431.80x = 79,949,147.70 × 53,299,431.80 - Step 4: Simplify right side
53,299,431.80x = 4,261,244,145,304,277 - Step 5: Solve for x
x = 4,261,244,145,304,277/53,299,431.80 - Step 6: Final answer
x = 79,949,147.70
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1.5x scale
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.