Finding the Fourth Proportional to 65,642,156.19, 98,467,433.33 and 25,252,640.19
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Solution
The fourth proportional to 65,642,156.19, 98,467,433.33 and 25,252,640.19 is: 37,880,575.66
Step by Step Solution
- Step 1: Write the proportion equation
65,642,156.19 : 98,467,433.33 = 25,252,640.19 : x - Step 2: Convert to fraction form
65,642,156.19/98,467,433.33 = 25,252,640.19/x - Step 3: Cross multiply
65,642,156.19x = 98,467,433.33 × 25,252,640.19 - Step 4: Simplify right side
65,642,156.19x = 2,486,562,664,189,040.50 - Step 5: Solve for x
x = 2,486,562,664,189,040.50/65,642,156.19 - Step 6: Final answer
x = 37,880,575.66
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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.