Finding the Fourth Proportional to 142,651,240.56, 213,968,663.10 and 84,726,850.50
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Solution
The fourth proportional to 142,651,240.56, 213,968,663.10 and 84,726,850.50 is: 127,085,406.75
Step by Step Solution
- Step 1: Write the proportion equation
142,651,240.56 : 213,968,663.10 = 84,726,850.50 : x - Step 2: Convert to fraction form
142,651,240.56/213,968,663.10 = 84,726,850.50/x - Step 3: Cross multiply
142,651,240.56x = 213,968,663.10 × 84,726,850.50 - Step 4: Simplify right side
142,651,240.56x = 18,128,890,930,158,568 - Step 5: Solve for x
x = 18,128,890,930,158,568/142,651,240.56 - Step 6: Final answer
x = 127,085,406.75
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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.