Finding the Fourth Proportional to 137,517,274.91, 189,823,201.97 and 81,762,562.29
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Solution
The fourth proportional to 137,517,274.91, 189,823,201.97 and 81,762,562.29 is: 112,861,685.09
Step by Step Solution
- Step 1: Write the proportion equation
137,517,274.91 : 189,823,201.97 = 81,762,562.29 : x - Step 2: Convert to fraction form
137,517,274.91/189,823,201.97 = 81,762,562.29/x - Step 3: Cross multiply
137,517,274.91x = 189,823,201.97 × 81,762,562.29 - Step 4: Simplify right side
137,517,274.91x = 15,520,431,374,750,564 - Step 5: Solve for x
x = 15,520,431,374,750,564/137,517,274.91 - Step 6: Final answer
x = 112,861,685.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.