Finding the Fourth Proportional to 272,168,122.80, 408,305,328.30 and 108,378,006.60
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Solution
The fourth proportional to 272,168,122.80, 408,305,328.30 and 108,378,006.60 is: 162,588,172.01
Step by Step Solution
- Step 1: Write the proportion equation
272,168,122.80 : 408,305,328.30 = 108,378,006.60 : x - Step 2: Convert to fraction form
272,168,122.80/408,305,328.30 = 108,378,006.60/x - Step 3: Cross multiply
272,168,122.80x = 408,305,328.30 × 108,378,006.60 - Step 4: Simplify right side
272,168,122.80x = 44,251,317,565,312,568 - Step 5: Solve for x
x = 44,251,317,565,312,568/272,168,122.80 - Step 6: Final answer
x = 162,588,172.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.