Finding the Fourth Proportional to 137,715,163.20, 206,572,744.80 and 137,715,163.20
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Solution
The fourth proportional to 137,715,163.20, 206,572,744.80 and 137,715,163.20 is: 206,572,744.80
Step by Step Solution
- Step 1: Write the proportion equation
137,715,163.20 : 206,572,744.80 = 137,715,163.20 : x - Step 2: Convert to fraction form
137,715,163.20/206,572,744.80 = 137,715,163.20/x - Step 3: Cross multiply
137,715,163.20x = 206,572,744.80 × 137,715,163.20 - Step 4: Simplify right side
137,715,163.20x = 28,448,199,262,803,952 - Step 5: Solve for x
x = 28,448,199,262,803,952/137,715,163.20 - Step 6: Final answer
x = 206,572,744.80
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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.