Finding the Fourth Proportional to 53,134,390.92, 79,726,780.62 and 31,611,511.56
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Solution
The fourth proportional to 53,134,390.92, 79,726,780.62 and 31,611,511.56 is: 47,432,256.28
Step by Step Solution
- Step 1: Write the proportion equation
53,134,390.92 : 79,726,780.62 = 31,611,511.56 : x - Step 2: Convert to fraction form
53,134,390.92/79,726,780.62 = 31,611,511.56/x - Step 3: Cross multiply
53,134,390.92x = 79,726,780.62 × 31,611,511.56 - Step 4: Simplify right side
53,134,390.92x = 2,520,284,047,210,714 - Step 5: Solve for x
x = 2,520,284,047,210,714/53,134,390.92 - Step 6: Final answer
x = 47,432,256.28
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1.5x scale
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.