Finding the Fourth Proportional to 76,804,906.95, 115,207,360.43 and 50,976,874.35
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Solution
The fourth proportional to 76,804,906.95, 115,207,360.43 and 50,976,874.35 is: 76,465,311.53
Step by Step Solution
- Step 1: Write the proportion equation
76,804,906.95 : 115,207,360.43 = 50,976,874.35 : x - Step 2: Convert to fraction form
76,804,906.95/115,207,360.43 = 50,976,874.35/x - Step 3: Cross multiply
76,804,906.95x = 115,207,360.43 × 50,976,874.35 - Step 4: Simplify right side
76,804,906.95x = 5,872,911,136,580,388 - Step 5: Solve for x
x = 5,872,911,136,580,388/76,804,906.95 - Step 6: Final answer
x = 76,465,311.53
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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.