Finding the Fourth Proportional to 169,351,423.18, 233,787,077.96 and 113,576,441.12
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Solution
The fourth proportional to 169,351,423.18, 233,787,077.96 and 113,576,441.12 is: 156,790,558.92
Step by Step Solution
- Step 1: Write the proportion equation
169,351,423.18 : 233,787,077.96 = 113,576,441.12 : x - Step 2: Convert to fraction form
169,351,423.18/233,787,077.96 = 113,576,441.12/x - Step 3: Cross multiply
169,351,423.18x = 233,787,077.96 × 113,576,441.12 - Step 4: Simplify right side
169,351,423.18x = 26,552,704,294,540,792 - Step 5: Solve for x
x = 26,552,704,294,540,792/169,351,423.18 - Step 6: Final answer
x = 156,790,558.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.