Finding the Fourth Proportional to 186,299,803.06, 257,086,243.09 and 101,525,121.75
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Solution
The fourth proportional to 186,299,803.06, 257,086,243.09 and 101,525,121.75 is: 140,100,588.95
Step by Step Solution
- Step 1: Write the proportion equation
186,299,803.06 : 257,086,243.09 = 101,525,121.75 : x - Step 2: Convert to fraction form
186,299,803.06/257,086,243.09 = 101,525,121.75/x - Step 3: Cross multiply
186,299,803.06x = 257,086,243.09 × 101,525,121.75 - Step 4: Simplify right side
186,299,803.06x = 26,100,712,129,962,348 - Step 5: Solve for x
x = 26,100,712,129,962,348/186,299,803.06 - Step 6: Final answer
x = 140,100,588.95
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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.