Finding the Fourth Proportional to 61,361,562.30, 84,680,752.74 and 33,486,068.70
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Solution
The fourth proportional to 61,361,562.30, 84,680,752.74 and 33,486,068.70 is: 46,211,755.33
Step by Step Solution
- Step 1: Write the proportion equation
61,361,562.30 : 84,680,752.74 = 33,486,068.70 : x - Step 2: Convert to fraction form
61,361,562.30/84,680,752.74 = 33,486,068.70/x - Step 3: Cross multiply
61,361,562.30x = 84,680,752.74 × 33,486,068.70 - Step 4: Simplify right side
61,361,562.30x = 2,835,625,503,819,353 - Step 5: Solve for x
x = 2,835,625,503,819,353/61,361,562.30 - Step 6: Final answer
x = 46,211,755.33
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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.