Finding the Fourth Proportional to 91,328,909.49, 137,016,225.72 and 26,632,721.97
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Solution
The fourth proportional to 91,328,909.49, 137,016,225.72 and 26,632,721.97 is: 39,955,749.67
Step by Step Solution
- Step 1: Write the proportion equation
91,328,909.49 : 137,016,225.72 = 26,632,721.97 : x - Step 2: Convert to fraction form
91,328,909.49/137,016,225.72 = 26,632,721.97/x - Step 3: Cross multiply
91,328,909.49x = 137,016,225.72 × 26,632,721.97 - Step 4: Simplify right side
91,328,909.49x = 3,649,115,044,979,523 - Step 5: Solve for x
x = 3,649,115,044,979,523/91,328,909.49 - Step 6: Final answer
x = 39,955,749.67
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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.