Finding the Fourth Proportional to 53,649,163.20, 80,473,744.80 and 19,559,179.20
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Solution
The fourth proportional to 53,649,163.20, 80,473,744.80 and 19,559,179.20 is: 29,338,768.80
Step by Step Solution
- Step 1: Write the proportion equation
53,649,163.20 : 80,473,744.80 = 19,559,179.20 : x - Step 2: Convert to fraction form
53,649,163.20/80,473,744.80 = 19,559,179.20/x - Step 3: Cross multiply
53,649,163.20x = 80,473,744.80 × 19,559,179.20 - Step 4: Simplify right side
53,649,163.20x = 1,574,000,395,438,268 - Step 5: Solve for x
x = 1,574,000,395,438,268/53,649,163.20 - Step 6: Final answer
x = 29,338,768.80
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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.