Finding the Fourth Proportional to 39,157,704.35, 58,449,124.28 and 36,271,979.72
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Solution
The fourth proportional to 39,157,704.35, 58,449,124.28 and 36,271,979.72 is: 54,141,719.63
Step by Step Solution
- Step 1: Write the proportion equation
39,157,704.35 : 58,449,124.28 = 36,271,979.72 : x - Step 2: Convert to fraction form
39,157,704.35/58,449,124.28 = 36,271,979.72/x - Step 3: Cross multiply
39,157,704.35x = 58,449,124.28 × 36,271,979.72 - Step 4: Simplify right side
39,157,704.35x = 2,120,065,450,349,508.25 - Step 5: Solve for x
x = 2,120,065,450,349,508.25/39,157,704.35 - Step 6: Final answer
x = 54,141,719.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.