Finding the Fourth Proportional to 132,985,459.53, 199,305,163.86 and 54,110,045.79
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Solution
The fourth proportional to 132,985,459.53, 199,305,163.86 and 54,110,045.79 is: 81,094,666.90
Step by Step Solution
- Step 1: Write the proportion equation
132,985,459.53 : 199,305,163.86 = 54,110,045.79 : x - Step 2: Convert to fraction form
132,985,459.53/199,305,163.86 = 54,110,045.79/x - Step 3: Cross multiply
132,985,459.53x = 199,305,163.86 × 54,110,045.79 - Step 4: Simplify right side
132,985,459.53x = 10,784,411,542,648,054 - Step 5: Solve for x
x = 10,784,411,542,648,054/132,985,459.53 - Step 6: Final answer
x = 81,094,666.90
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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.