Finding the Fourth Proportional to 94,745,438.72, 130,676,711.58 and 81,536,583.84
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Solution
The fourth proportional to 94,745,438.72, 130,676,711.58 and 81,536,583.84 is: 112,458,528.81
Step by Step Solution
- Step 1: Write the proportion equation
94,745,438.72 : 130,676,711.58 = 81,536,583.84 : x - Step 2: Convert to fraction form
94,745,438.72/130,676,711.58 = 81,536,583.84/x - Step 3: Cross multiply
94,745,438.72x = 130,676,711.58 × 81,536,583.84 - Step 4: Simplify right side
94,745,438.72x = 10,654,932,649,678,170 - Step 5: Solve for x
x = 10,654,932,649,678,170/94,745,438.72 - Step 6: Final answer
x = 112,458,528.81
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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.