Finding the Fourth Proportional to 191,328,121.98, 264,041,169.63 and 107,701,648.79
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Solution
The fourth proportional to 191,328,121.98, 264,041,169.63 and 107,701,648.79 is: 148,632,982.03
Step by Step Solution
- Step 1: Write the proportion equation
191,328,121.98 : 264,041,169.63 = 107,701,648.79 : x - Step 2: Convert to fraction form
191,328,121.98/264,041,169.63 = 107,701,648.79/x - Step 3: Cross multiply
191,328,121.98x = 264,041,169.63 × 107,701,648.79 - Step 4: Simplify right side
191,328,121.98x = 28,437,669,315,866,988 - Step 5: Solve for x
x = 28,437,669,315,866,988/191,328,121.98 - Step 6: Final answer
x = 148,632,982.03
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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.