Finding the Fourth Proportional to 56,160,462.73, 77,504,432.36 and 31,381,251.09
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Solution
The fourth proportional to 56,160,462.73, 77,504,432.36 and 31,381,251.09 is: 43,307,799.37
Step by Step Solution
- Step 1: Write the proportion equation
56,160,462.73 : 77,504,432.36 = 31,381,251.09 : x - Step 2: Convert to fraction form
56,160,462.73/77,504,432.36 = 31,381,251.09/x - Step 3: Cross multiply
56,160,462.73x = 77,504,432.36 × 31,381,251.09 - Step 4: Simplify right side
56,160,462.73x = 2,432,186,052,477,081 - Step 5: Solve for x
x = 2,432,186,052,477,081/56,160,462.73 - Step 6: Final answer
x = 43,307,799.37
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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.