Finding the Fourth Proportional to 193,558,344.70, 290,337,517.05 and 96,812,463.10
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Solution
The fourth proportional to 193,558,344.70, 290,337,517.05 and 96,812,463.10 is: 145,218,694.65
Step by Step Solution
- Step 1: Write the proportion equation
193,558,344.70 : 290,337,517.05 = 96,812,463.10 : x - Step 2: Convert to fraction form
193,558,344.70/290,337,517.05 = 96,812,463.10/x - Step 3: Cross multiply
193,558,344.70x = 290,337,517.05 × 96,812,463.10 - Step 4: Simplify right side
193,558,344.70x = 28,108,290,155,948,744 - Step 5: Solve for x
x = 28,108,290,155,948,744/193,558,344.70 - Step 6: Final answer
x = 145,218,694.65
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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.