Finding the Fourth Proportional to 131,452,040.09, 197,195,995.43 and 54,757,132.31
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Solution
The fourth proportional to 131,452,040.09, 197,195,995.43 and 54,757,132.31 is: 82,143,169.51
Step by Step Solution
- Step 1: Write the proportion equation
131,452,040.09 : 197,195,995.43 = 54,757,132.31 : x - Step 2: Convert to fraction form
131,452,040.09/197,195,995.43 = 54,757,132.31/x - Step 3: Cross multiply
131,452,040.09x = 197,195,995.43 × 54,757,132.31 - Step 4: Simplify right side
131,452,040.09x = 10,797,887,211,502,900 - Step 5: Solve for x
x = 10,797,887,211,502,900/131,452,040.09 - Step 6: Final answer
x = 82,143,169.51
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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.