Finding the Fourth Proportional to 339,397,812.99, 508,821,989.12 and 106,108,441.65
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Solution
The fourth proportional to 339,397,812.99, 508,821,989.12 and 106,108,441.65 is: 159,076,771.49
Step by Step Solution
- Step 1: Write the proportion equation
339,397,812.99 : 508,821,989.12 = 106,108,441.65 : x - Step 2: Convert to fraction form
339,397,812.99/508,821,989.12 = 106,108,441.65/x - Step 3: Cross multiply
339,397,812.99x = 508,821,989.12 × 106,108,441.65 - Step 4: Simplify right side
339,397,812.99x = 53,990,308,342,245,920 - Step 5: Solve for x
x = 53,990,308,342,245,920/339,397,812.99 - Step 6: Final answer
x = 159,076,771.49
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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.