Finding the Fourth Proportional to 96,234,937.80, 144,352,406.70 and 31,523,138.70
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Solution
The fourth proportional to 96,234,937.80, 144,352,406.70 and 31,523,138.70 is: 47,284,708.05
Step by Step Solution
- Step 1: Write the proportion equation
96,234,937.80 : 144,352,406.70 = 31,523,138.70 : x - Step 2: Convert to fraction form
96,234,937.80/144,352,406.70 = 31,523,138.70/x - Step 3: Cross multiply
96,234,937.80x = 144,352,406.70 × 31,523,138.70 - Step 4: Simplify right side
96,234,937.80x = 4,550,440,938,082,909 - Step 5: Solve for x
x = 4,550,440,938,082,909/96,234,937.80 - Step 6: Final answer
x = 47,284,708.05
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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.