Finding the Fourth Proportional to 192,457,843.20, 288,119,894.40 and 181,246,406.40
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Solution
The fourth proportional to 192,457,843.20, 288,119,894.40 and 181,246,406.40 is: 271,335,761.66
Step by Step Solution
- Step 1: Write the proportion equation
192,457,843.20 : 288,119,894.40 = 181,246,406.40 : x - Step 2: Convert to fraction form
192,457,843.20/288,119,894.40 = 181,246,406.40/x - Step 3: Cross multiply
192,457,843.20x = 288,119,894.40 × 181,246,406.40 - Step 4: Simplify right side
192,457,843.20x = 52,220,695,472,347,480 - Step 5: Solve for x
x = 52,220,695,472,347,480/192,457,843.20 - Step 6: Final answer
x = 271,335,761.66
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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.