Finding the Fourth Proportional to 76,403,360.80, 114,353,098.80 and 53,728,544.80
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Solution
The fourth proportional to 76,403,360.80, 114,353,098.80 and 53,728,544.80 is: 80,415,645.69
Step by Step Solution
- Step 1: Write the proportion equation
76,403,360.80 : 114,353,098.80 = 53,728,544.80 : x - Step 2: Convert to fraction form
76,403,360.80/114,353,098.80 = 53,728,544.80/x - Step 3: Cross multiply
76,403,360.80x = 114,353,098.80 × 53,728,544.80 - Step 4: Simplify right side
76,403,360.80x = 6,144,025,591,894,626 - Step 5: Solve for x
x = 6,144,025,591,894,626/76,403,360.80 - Step 6: Final answer
x = 80,415,645.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.