Finding the Fourth Proportional to 71,570,474.80, 107,411,699.40 and 33,236,738.80
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Solution
The fourth proportional to 71,570,474.80, 107,411,699.40 and 33,236,738.80 is: 49,881,108.19
Step by Step Solution
- Step 1: Write the proportion equation
71,570,474.80 : 107,411,699.40 = 33,236,738.80 : x - Step 2: Convert to fraction form
71,570,474.80/107,411,699.40 = 33,236,738.80/x - Step 3: Cross multiply
71,570,474.80x = 107,411,699.40 × 33,236,738.80 - Step 4: Simplify right side
71,570,474.80x = 3,570,014,597,021,917 - Step 5: Solve for x
x = 3,570,014,597,021,917/71,570,474.80 - Step 6: Final answer
x = 49,881,108.19
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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.