Finding the Fourth Proportional to 116,280,682.98, 160,416,924.74 and 69,211,361.84
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Solution
The fourth proportional to 116,280,682.98, 160,416,924.74 and 69,211,361.84 is: 95,481,670.20
Step by Step Solution
- Step 1: Write the proportion equation
116,280,682.98 : 160,416,924.74 = 69,211,361.84 : x - Step 2: Convert to fraction form
116,280,682.98/160,416,924.74 = 69,211,361.84/x - Step 3: Cross multiply
116,280,682.98x = 160,416,924.74 × 69,211,361.84 - Step 4: Simplify right side
116,280,682.98x = 11,102,673,823,440,190 - Step 5: Solve for x
x = 11,102,673,823,440,190/116,280,682.98 - Step 6: Final answer
x = 95,481,670.20
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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.