Finding the Fourth Proportional to 83,897,356.80, 125,633,458.80 and 66,891,244.80
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Solution
The fourth proportional to 83,897,356.80, 125,633,458.80 and 66,891,244.80 is: 100,167,380.33
Step by Step Solution
- Step 1: Write the proportion equation
83,897,356.80 : 125,633,458.80 = 66,891,244.80 : x - Step 2: Convert to fraction form
83,897,356.80/125,633,458.80 = 66,891,244.80/x - Step 3: Cross multiply
83,897,356.80x = 125,633,458.80 × 66,891,244.80 - Step 4: Simplify right side
83,897,356.80x = 8,403,778,447,661,514 - Step 5: Solve for x
x = 8,403,778,447,661,514/83,897,356.80 - Step 6: Final answer
x = 100,167,380.33
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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.