Finding the Fourth Proportional to 280,040,092.97, 386,445,197.87 and 154,589,594.41
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Solution
The fourth proportional to 280,040,092.97, 386,445,197.87 and 154,589,594.41 is: 213,328,048.02
Step by Step Solution
- Step 1: Write the proportion equation
280,040,092.97 : 386,445,197.87 = 154,589,594.41 : x - Step 2: Convert to fraction form
280,040,092.97/386,445,197.87 = 154,589,594.41/x - Step 3: Cross multiply
280,040,092.97x = 386,445,197.87 × 154,589,594.41 - Step 4: Simplify right side
280,040,092.97x = 59,740,406,400,705,312 - Step 5: Solve for x
x = 59,740,406,400,705,312/280,040,092.97 - Step 6: Final answer
x = 213,328,048.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.