Finding the Fourth Proportional to 32,187,360.80, 48,281,041.20 and 28,660,167.20
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Solution
The fourth proportional to 32,187,360.80, 48,281,041.20 and 28,660,167.20 is: 42,990,250.80
Step by Step Solution
- Step 1: Write the proportion equation
32,187,360.80 : 48,281,041.20 = 28,660,167.20 : x - Step 2: Convert to fraction form
32,187,360.80/48,281,041.20 = 28,660,167.20/x - Step 3: Cross multiply
32,187,360.80x = 48,281,041.20 × 28,660,167.20 - Step 4: Simplify right side
32,187,360.80x = 1,383,742,713,382,088.75 - Step 5: Solve for x
x = 1,383,742,713,382,088.75/32,187,360.80 - Step 6: Final answer
x = 42,990,250.80
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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.