Finding the Fourth Proportional to 132,174,139.92, 182,405,235.68 and 79,259,462.56
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Solution
The fourth proportional to 132,174,139.92, 182,405,235.68 and 79,259,462.56 is: 109,381,010.21
Step by Step Solution
- Step 1: Write the proportion equation
132,174,139.92 : 182,405,235.68 = 79,259,462.56 : x - Step 2: Convert to fraction form
132,174,139.92/182,405,235.68 = 79,259,462.56/x - Step 3: Cross multiply
132,174,139.92x = 182,405,235.68 × 79,259,462.56 - Step 4: Simplify right side
132,174,139.92x = 14,457,340,948,126,938 - Step 5: Solve for x
x = 14,457,340,948,126,938/132,174,139.92 - Step 6: Final answer
x = 109,381,010.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.