Finding the Fourth Proportional to 61,821,840.65, 85,315,360.32 and 33,944,306.99
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Solution
The fourth proportional to 61,821,840.65, 85,315,360.32 and 33,944,306.99 is: 46,843,813.63
Step by Step Solution
- Step 1: Write the proportion equation
61,821,840.65 : 85,315,360.32 = 33,944,306.99 : x - Step 2: Convert to fraction form
61,821,840.65/85,315,360.32 = 33,944,306.99/x - Step 3: Cross multiply
61,821,840.65x = 85,315,360.32 × 33,944,306.99 - Step 4: Simplify right side
61,821,840.65x = 2,895,970,781,237,967.50 - Step 5: Solve for x
x = 2,895,970,781,237,967.50/61,821,840.65 - Step 6: Final answer
x = 46,843,813.63
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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.