Finding the Fourth Proportional to 195,401,943.36, 269,642,417.40 and 107,295,324.12
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Solution
The fourth proportional to 195,401,943.36, 269,642,417.40 and 107,295,324.12 is: 148,060,812.88
Step by Step Solution
- Step 1: Write the proportion equation
195,401,943.36 : 269,642,417.40 = 107,295,324.12 : x - Step 2: Convert to fraction form
195,401,943.36/269,642,417.40 = 107,295,324.12/x - Step 3: Cross multiply
195,401,943.36x = 269,642,417.40 × 107,295,324.12 - Step 4: Simplify right side
195,401,943.36x = 28,931,370,571,433,328 - Step 5: Solve for x
x = 28,931,370,571,433,328/195,401,943.36 - Step 6: Final answer
x = 148,060,812.88
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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.