Finding the Fourth Proportional to 51,467,961.68, 77,201,971.32 and 32,312,172.56
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Solution
The fourth proportional to 51,467,961.68, 77,201,971.32 and 32,312,172.56 is: 48,468,276.92
Step by Step Solution
- Step 1: Write the proportion equation
51,467,961.68 : 77,201,971.32 = 32,312,172.56 : x - Step 2: Convert to fraction form
51,467,961.68/77,201,971.32 = 32,312,172.56/x - Step 3: Cross multiply
51,467,961.68x = 77,201,971.32 × 32,312,172.56 - Step 4: Simplify right side
51,467,961.68x = 2,494,563,419,264,010.50 - Step 5: Solve for x
x = 2,494,563,419,264,010.50/51,467,961.68 - Step 6: Final answer
x = 48,468,276.92
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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.