Finding the Fourth Proportional to 131,452,005.96, 197,195,944.14 and 54,757,098.09
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Solution
The fourth proportional to 131,452,005.96, 197,195,944.14 and 54,757,098.09 is: 82,143,118.15
Step by Step Solution
- Step 1: Write the proportion equation
131,452,005.96 : 197,195,944.14 = 54,757,098.09 : x - Step 2: Convert to fraction form
131,452,005.96/197,195,944.14 = 54,757,098.09/x - Step 3: Cross multiply
131,452,005.96x = 197,195,944.14 × 54,757,098.09 - Step 4: Simplify right side
131,452,005.96x = 10,797,877,656,224,140 - Step 5: Solve for x
x = 10,797,877,656,224,140/131,452,005.96 - Step 6: Final answer
x = 82,143,118.15
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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.