Finding the Fourth Proportional to 155,832,857,163.15, 233,784,532,349.41 and 84,120,832,058.06
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Solution
The fourth proportional to 155,832,857,163.15, 233,784,532,349.41 and 84,120,832,058.06 is: 126,200,274,714.50
Step by Step Solution
- Step 1: Write the proportion equation
155,832,857,163.15 : 233,784,532,349.41 = 84,120,832,058.06 : x - Step 2: Convert to fraction form
155,832,857,163.15/233,784,532,349.41 = 84,120,832,058.06/x - Step 3: Cross multiply
155,832,857,163.15x = 233,784,532,349.41 × 84,120,832,058.06 - Step 4: Simplify right side
155,832,857,163.15x = 19,666,149,383,535,641,755,648 - Step 5: Solve for x
x = 19,666,149,383,535,641,755,648/155,832,857,163.15 - Step 6: Final answer
x = 126,200,274,714.50
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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.