Finding the Fourth Proportional to 87,663,614.80, 131,495,422.20 and 36,582,293.20
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Solution
The fourth proportional to 87,663,614.80, 131,495,422.20 and 36,582,293.20 is: 54,873,439.80
Step by Step Solution
- Step 1: Write the proportion equation
87,663,614.80 : 131,495,422.20 = 36,582,293.20 : x - Step 2: Convert to fraction form
87,663,614.80/131,495,422.20 = 36,582,293.20/x - Step 3: Cross multiply
87,663,614.80x = 131,495,422.20 × 36,582,293.20 - Step 4: Simplify right side
87,663,614.80x = 4,810,404,089,378,190 - Step 5: Solve for x
x = 4,810,404,089,378,190/87,663,614.80 - Step 6: Final answer
x = 54,873,439.80
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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.