Finding the Fourth Proportional to 108,276,955.97, 149,422,233.33 and 58,717,314.80
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Solution
The fourth proportional to 108,276,955.97, 149,422,233.33 and 58,717,314.80 is: 81,029,912.91
Step by Step Solution
- Step 1: Write the proportion equation
108,276,955.97 : 149,422,233.33 = 58,717,314.80 : x - Step 2: Convert to fraction form
108,276,955.97/149,422,233.33 = 58,717,314.80/x - Step 3: Cross multiply
108,276,955.97x = 149,422,233.33 × 58,717,314.80 - Step 4: Simplify right side
108,276,955.97x = 8,773,672,311,949,859 - Step 5: Solve for x
x = 8,773,672,311,949,859/108,276,955.97 - Step 6: Final answer
x = 81,029,912.91
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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.