Finding the Fourth Proportional to 131,452,008.96, 197,195,948.64 and 54,757,101.09
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Solution
The fourth proportional to 131,452,008.96, 197,195,948.64 and 54,757,101.09 is: 82,143,122.65
Step by Step Solution
- Step 1: Write the proportion equation
131,452,008.96 : 197,195,948.64 = 54,757,101.09 : x - Step 2: Convert to fraction form
131,452,008.96/197,195,948.64 = 54,757,101.09/x - Step 3: Cross multiply
131,452,008.96x = 197,195,948.64 × 54,757,101.09 - Step 4: Simplify right side
131,452,008.96x = 10,797,878,494,218,928 - Step 5: Solve for x
x = 10,797,878,494,218,928/131,452,008.96 - Step 6: Final answer
x = 82,143,122.65
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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.