Finding the Fourth Proportional to 261,413,194.44, 392,162,347.44 and 77,199,304.08
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Solution
The fourth proportional to 261,413,194.44, 392,162,347.44 and 77,199,304.08 is: 115,811,523.49
Step by Step Solution
- Step 1: Write the proportion equation
261,413,194.44 : 392,162,347.44 = 77,199,304.08 : x - Step 2: Convert to fraction form
261,413,194.44/392,162,347.44 = 77,199,304.08/x - Step 3: Cross multiply
261,413,194.44x = 392,162,347.44 × 77,199,304.08 - Step 4: Simplify right side
261,413,194.44x = 30,274,660,308,747,168 - Step 5: Solve for x
x = 30,274,660,308,747,168/261,413,194.44 - Step 6: Final answer
x = 115,811,523.49
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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.