Finding the Fourth Proportional to 121,726,605.24, 182,589,896.76 and 53,569,296.96
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Solution
The fourth proportional to 121,726,605.24, 182,589,896.76 and 53,569,296.96 is: 80,353,940.56
Step by Step Solution
- Step 1: Write the proportion equation
121,726,605.24 : 182,589,896.76 = 53,569,296.96 : x - Step 2: Convert to fraction form
121,726,605.24/182,589,896.76 = 53,569,296.96/x - Step 3: Cross multiply
121,726,605.24x = 182,589,896.76 × 53,569,296.96 - Step 4: Simplify right side
121,726,605.24x = 9,781,212,401,432,182 - Step 5: Solve for x
x = 9,781,212,401,432,182/121,726,605.24 - Step 6: Final answer
x = 80,353,940.56
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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.