Finding the Fourth Proportional to 213,932,316.26, 320,805,028.87 and 75,711,985.31
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Solution
The fourth proportional to 213,932,316.26, 320,805,028.87 and 75,711,985.31 is: 113,534,907.01
Step by Step Solution
- Step 1: Write the proportion equation
213,932,316.26 : 320,805,028.87 = 75,711,985.31 : x - Step 2: Convert to fraction form
213,932,316.26/320,805,028.87 = 75,711,985.31/x - Step 3: Cross multiply
213,932,316.26x = 320,805,028.87 × 75,711,985.31 - Step 4: Simplify right side
213,932,316.26x = 24,288,785,633,792,300 - Step 5: Solve for x
x = 24,288,785,633,792,300/213,932,316.26 - Step 6: Final answer
x = 113,534,907.01
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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.