Finding the Fourth Proportional to 76,755,721.48, 115,145,486.12 and 32,440,193.33
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Solution
The fourth proportional to 76,755,721.48, 115,145,486.12 and 32,440,193.33 is: 48,665,321.08
Step by Step Solution
- Step 1: Write the proportion equation
76,755,721.48 : 115,145,486.12 = 32,440,193.33 : x - Step 2: Convert to fraction form
76,755,721.48/115,145,486.12 = 32,440,193.33/x - Step 3: Cross multiply
76,755,721.48x = 115,145,486.12 × 32,440,193.33 - Step 4: Simplify right side
76,755,721.48x = 3,735,341,830,315,004.50 - Step 5: Solve for x
x = 3,735,341,830,315,004.50/76,755,721.48 - Step 6: Final answer
x = 48,665,321.08
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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.