Finding the Fourth Proportional to 135,640,660.40, 203,473,432.20 and 44,764,449.20
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Solution
The fourth proportional to 135,640,660.40, 203,473,432.20 and 44,764,449.20 is: 67,150,779.81
Step by Step Solution
- Step 1: Write the proportion equation
135,640,660.40 : 203,473,432.20 = 44,764,449.20 : x - Step 2: Convert to fraction form
135,640,660.40/203,473,432.20 = 44,764,449.20/x - Step 3: Cross multiply
135,640,660.40x = 203,473,432.20 × 44,764,449.20 - Step 4: Simplify right side
135,640,660.40x = 9,108,376,119,266,544 - Step 5: Solve for x
x = 9,108,376,119,266,544/135,640,660.40 - Step 6: Final answer
x = 67,150,779.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.