Finding the Fourth Proportional to 139,843,918.24, 192,923,385.08 and 133,360,338
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Solution
The fourth proportional to 139,843,918.24, 192,923,385.08 and 133,360,338 is: 183,978,882.79
Step by Step Solution
- Step 1: Write the proportion equation
139,843,918.24 : 192,923,385.08 = 133,360,338 : x - Step 2: Convert to fraction form
139,843,918.24/192,923,385.08 = 133,360,338/x - Step 3: Cross multiply
139,843,918.24x = 192,923,385.08 × 133,360,338 - Step 4: Simplify right side
139,843,918.24x = 25,728,327,842,372,960 - Step 5: Solve for x
x = 25,728,327,842,372,960/139,843,918.24 - Step 6: Final answer
x = 183,978,882.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.