Finding the Fourth Proportional to 187,545,818.20, 281,318,727.30 and 51,231,201.70
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Solution
The fourth proportional to 187,545,818.20, 281,318,727.30 and 51,231,201.70 is: 76,846,802.55
Step by Step Solution
- Step 1: Write the proportion equation
187,545,818.20 : 281,318,727.30 = 51,231,201.70 : x - Step 2: Convert to fraction form
187,545,818.20/281,318,727.30 = 51,231,201.70/x - Step 3: Cross multiply
187,545,818.20x = 281,318,727.30 × 51,231,201.70 - Step 4: Simplify right side
187,545,818.20x = 14,412,296,460,293,598 - Step 5: Solve for x
x = 14,412,296,460,293,598/187,545,818.20 - Step 6: Final answer
x = 76,846,802.55
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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.