Finding the Fourth Proportional to 149,469,102.63, 206,267,490.06 and 83,389,611.14
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Solution
The fourth proportional to 149,469,102.63, 206,267,490.06 and 83,389,611.14 is: 115,077,735.02
Step by Step Solution
- Step 1: Write the proportion equation
149,469,102.63 : 206,267,490.06 = 83,389,611.14 : x - Step 2: Convert to fraction form
149,469,102.63/206,267,490.06 = 83,389,611.14/x - Step 3: Cross multiply
149,469,102.63x = 206,267,490.06 × 83,389,611.14 - Step 4: Simplify right side
149,469,102.63x = 17,200,565,786,356,670 - Step 5: Solve for x
x = 17,200,565,786,356,670/149,469,102.63 - Step 6: Final answer
x = 115,077,735.02
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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.