Finding the Fourth Proportional to 65,481,171.14, 98,204,996.99 and 19,412,267.21
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Solution
The fourth proportional to 65,481,171.14, 98,204,996.99 and 19,412,267.21 is: 29,113,432.29
Step by Step Solution
- Step 1: Write the proportion equation
65,481,171.14 : 98,204,996.99 = 19,412,267.21 : x - Step 2: Convert to fraction form
65,481,171.14/98,204,996.99 = 19,412,267.21/x - Step 3: Cross multiply
65,481,171.14x = 98,204,996.99 × 19,412,267.21 - Step 4: Simplify right side
65,481,171.14x = 1,906,381,642,339,039.25 - Step 5: Solve for x
x = 1,906,381,642,339,039.25/65,481,171.14 - Step 6: Final answer
x = 29,113,432.29
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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.