Finding the Fourth Proportional to 87,305,491.28, 130,922,206.10 and 29,802,394.10
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Solution
The fourth proportional to 87,305,491.28, 130,922,206.10 and 29,802,394.10 is: 44,691,291.75
Step by Step Solution
- Step 1: Write the proportion equation
87,305,491.28 : 130,922,206.10 = 29,802,394.10 : x - Step 2: Convert to fraction form
87,305,491.28/130,922,206.10 = 29,802,394.10/x - Step 3: Cross multiply
87,305,491.28x = 130,922,206.10 × 29,802,394.10 - Step 4: Simplify right side
87,305,491.28x = 3,901,795,182,484,612 - Step 5: Solve for x
x = 3,901,795,182,484,612/87,305,491.28 - Step 6: Final answer
x = 44,691,291.75
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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.