Finding the Fourth Proportional to 80,103,163.08, 110,544,538.56 and 45,301,057.92
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Solution
The fourth proportional to 80,103,163.08, 110,544,538.56 and 45,301,057.92 is: 62,516,689.12
Step by Step Solution
- Step 1: Write the proportion equation
80,103,163.08 : 110,544,538.56 = 45,301,057.92 : x - Step 2: Convert to fraction form
80,103,163.08/110,544,538.56 = 45,301,057.92/x - Step 3: Cross multiply
80,103,163.08x = 110,544,538.56 × 45,301,057.92 - Step 4: Simplify right side
80,103,163.08x = 5,007,784,544,046,234 - Step 5: Solve for x
x = 5,007,784,544,046,234/80,103,163.08 - Step 6: Final answer
x = 62,516,689.12
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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.