Finding the Fourth Proportional to 127,984,039.77, 176,617,972.14 and 69,246,704.91
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Solution
The fourth proportional to 127,984,039.77, 176,617,972.14 and 69,246,704.91 is: 95,560,451.29
Step by Step Solution
- Step 1: Write the proportion equation
127,984,039.77 : 176,617,972.14 = 69,246,704.91 : x - Step 2: Convert to fraction form
127,984,039.77/176,617,972.14 = 69,246,704.91/x - Step 3: Cross multiply
127,984,039.77x = 176,617,972.14 × 69,246,704.91 - Step 4: Simplify right side
127,984,039.77x = 12,230,212,598,379,512 - Step 5: Solve for x
x = 12,230,212,598,379,512/127,984,039.77 - Step 6: Final answer
x = 95,560,451.29
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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.