Finding the Fourth Proportional to 115,893,840,021.70, 173,840,760,032.55 and 115,893,840,021.70
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Solution
The fourth proportional to 115,893,840,021.70, 173,840,760,032.55 and 115,893,840,021.70 is: 173,840,760,032.55
Step by Step Solution
- Step 1: Write the proportion equation
115,893,840,021.70 : 173,840,760,032.55 = 115,893,840,021.70 : x - Step 2: Convert to fraction form
115,893,840,021.70/173,840,760,032.55 = 115,893,840,021.70/x - Step 3: Cross multiply
115,893,840,021.70x = 173,840,760,032.55 × 115,893,840,021.70 - Step 4: Simplify right side
115,893,840,021.70x = 20,147,073,232,463,087,009,792 - Step 5: Solve for x
x = 20,147,073,232,463,087,009,792/115,893,840,021.70 - Step 6: Final answer
x = 173,840,760,032.55
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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.