Finding the Fourth Proportional to 102,267,107.96, 152,840,301.50 and 74,659,163.70
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Solution
The fourth proportional to 102,267,107.96, 152,840,301.50 and 74,659,163.70 is: 111,579,659.55
Step by Step Solution
- Step 1: Write the proportion equation
102,267,107.96 : 152,840,301.50 = 74,659,163.70 : x - Step 2: Convert to fraction form
102,267,107.96/152,840,301.50 = 74,659,163.70/x - Step 3: Cross multiply
102,267,107.96x = 152,840,301.50 × 74,659,163.70 - Step 4: Simplify right side
102,267,107.96x = 11,410,929,089,272,560 - Step 5: Solve for x
x = 11,410,929,089,272,560/102,267,107.96 - Step 6: Final answer
x = 111,579,659.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.