Finding the Fourth Proportional to 226,081,840.80, 339,122,761.20 and 168,686,212.80
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Solution
The fourth proportional to 226,081,840.80, 339,122,761.20 and 168,686,212.80 is: 253,029,319.20
Step by Step Solution
- Step 1: Write the proportion equation
226,081,840.80 : 339,122,761.20 = 168,686,212.80 : x - Step 2: Convert to fraction form
226,081,840.80/339,122,761.20 = 168,686,212.80/x - Step 3: Cross multiply
226,081,840.80x = 339,122,761.20 × 168,686,212.80 - Step 4: Simplify right side
226,081,840.80x = 57,205,334,261,106,784 - Step 5: Solve for x
x = 57,205,334,261,106,784/226,081,840.80 - Step 6: Final answer
x = 253,029,319.20
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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.