Finding the Fourth Proportional to 125,544,321.90, 173,254,530.42 and 75,974,162.22
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Solution
The fourth proportional to 125,544,321.90, 173,254,530.42 and 75,974,162.22 is: 104,846,380.95
Step by Step Solution
- Step 1: Write the proportion equation
125,544,321.90 : 173,254,530.42 = 75,974,162.22 : x - Step 2: Convert to fraction form
125,544,321.90/173,254,530.42 = 75,974,162.22/x - Step 3: Cross multiply
125,544,321.90x = 173,254,530.42 × 75,974,162.22 - Step 4: Simplify right side
125,544,321.90x = 13,162,867,799,479,004 - Step 5: Solve for x
x = 13,162,867,799,479,004/125,544,321.90 - Step 6: Final answer
x = 104,846,380.95
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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.