Finding the Fourth Proportional to 199,350,661.84, 275,103,968.16 and 110,042,660.32
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Solution
The fourth proportional to 199,350,661.84, 275,103,968.16 and 110,042,660.32 is: 151,858,901.50
Step by Step Solution
- Step 1: Write the proportion equation
199,350,661.84 : 275,103,968.16 = 110,042,660.32 : x - Step 2: Convert to fraction form
199,350,661.84/275,103,968.16 = 110,042,660.32/x - Step 3: Cross multiply
199,350,661.84x = 275,103,968.16 × 110,042,660.32 - Step 4: Simplify right side
199,350,661.84x = 30,273,172,520,914,976 - Step 5: Solve for x
x = 30,273,172,520,914,976/199,350,661.84 - Step 6: Final answer
x = 151,858,901.50
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1.5x scale
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.