Finding the Fourth Proportional to 57,952,295.28, 79,940,867.88 and 36,184,471.92
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Solution
The fourth proportional to 57,952,295.28, 79,940,867.88 and 36,184,471.92 is: 49,913,779.52
Step by Step Solution
- Step 1: Write the proportion equation
57,952,295.28 : 79,940,867.88 = 36,184,471.92 : x - Step 2: Convert to fraction form
57,952,295.28/79,940,867.88 = 36,184,471.92/x - Step 3: Cross multiply
57,952,295.28x = 79,940,867.88 × 36,184,471.92 - Step 4: Simplify right side
57,952,295.28x = 2,892,618,089,064,290 - Step 5: Solve for x
x = 2,892,618,089,064,290/57,952,295.28 - Step 6: Final answer
x = 49,913,779.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.