Finding the Fourth Proportional to 259,726,982.09, 358,423,580.75 and 140,649,779.57
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Solution
The fourth proportional to 259,726,982.09, 358,423,580.75 and 140,649,779.57 is: 194,096,882.88
Step by Step Solution
- Step 1: Write the proportion equation
259,726,982.09 : 358,423,580.75 = 140,649,779.57 : x - Step 2: Convert to fraction form
259,726,982.09/358,423,580.75 = 140,649,779.57/x - Step 3: Cross multiply
259,726,982.09x = 358,423,580.75 × 140,649,779.57 - Step 4: Simplify right side
259,726,982.09x = 50,412,197,622,682,232 - Step 5: Solve for x
x = 50,412,197,622,682,232/259,726,982.09 - Step 6: Final answer
x = 194,096,882.88
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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.