Finding the Fourth Proportional to 168,324,910.20, 235,080,918 and 168,324,910.20
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Solution
The fourth proportional to 168,324,910.20, 235,080,918 and 168,324,910.20 is: 235,080,918
Step by Step Solution
- Step 1: Write the proportion equation
168,324,910.20 : 235,080,918 = 168,324,910.20 : x - Step 2: Convert to fraction form
168,324,910.20/235,080,918 = 168,324,910.20/x - Step 3: Cross multiply
168,324,910.20x = 235,080,918 × 168,324,910.20 - Step 4: Simplify right side
168,324,910.20x = 39,569,974,412,083,560 - Step 5: Solve for x
x = 39,569,974,412,083,560/168,324,910.20 - Step 6: Final answer
x = 235,080,918
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.