Finding the Fourth Proportional to 146,512,211.40, 219,768,317.10 and 44,292,025.80
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Solution
The fourth proportional to 146,512,211.40, 219,768,317.10 and 44,292,025.80 is: 66,438,038.70
Step by Step Solution
- Step 1: Write the proportion equation
146,512,211.40 : 219,768,317.10 = 44,292,025.80 : x - Step 2: Convert to fraction form
146,512,211.40/219,768,317.10 = 44,292,025.80/x - Step 3: Cross multiply
146,512,211.40x = 219,768,317.10 × 44,292,025.80 - Step 4: Simplify right side
146,512,211.40x = 9,733,983,971,015,780 - Step 5: Solve for x
x = 9,733,983,971,015,780/146,512,211.40 - Step 6: Final answer
x = 66,438,038.70
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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.