Finding the Fourth Proportional to 107,948,563.86, 161,923,318.08 and 34,172,703.99
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Solution
The fourth proportional to 107,948,563.86, 161,923,318.08 and 34,172,703.99 is: 51,259,205.50
Step by Step Solution
- Step 1: Write the proportion equation
107,948,563.86 : 161,923,318.08 = 34,172,703.99 : x - Step 2: Convert to fraction form
107,948,563.86/161,923,318.08 = 34,172,703.99/x - Step 3: Cross multiply
107,948,563.86x = 161,923,318.08 × 34,172,703.99 - Step 4: Simplify right side
107,948,563.86x = 5,533,357,617,826,456 - Step 5: Solve for x
x = 5,533,357,617,826,456/107,948,563.86 - Step 6: Final answer
x = 51,259,205.50
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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.