Finding the Fourth Proportional to 131,452,041.09, 197,195,996.93 and 54,757,133.31
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Solution
The fourth proportional to 131,452,041.09, 197,195,996.93 and 54,757,133.31 is: 82,143,171.02
Step by Step Solution
- Step 1: Write the proportion equation
131,452,041.09 : 197,195,996.93 = 54,757,133.31 : x - Step 2: Convert to fraction form
131,452,041.09/197,195,996.93 = 54,757,133.31/x - Step 3: Cross multiply
131,452,041.09x = 197,195,996.93 × 54,757,133.31 - Step 4: Simplify right side
131,452,041.09x = 10,797,887,492,094,362 - Step 5: Solve for x
x = 10,797,887,492,094,362/131,452,041.09 - Step 6: Final answer
x = 82,143,171.02
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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.