Finding the Fourth Proportional to 95,034,868.08, 131,129,163.12 and 57,840,235.20
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Solution
The fourth proportional to 95,034,868.08, 131,129,163.12 and 57,840,235.20 is: 79,807,988.26
Step by Step Solution
- Step 1: Write the proportion equation
95,034,868.08 : 131,129,163.12 = 57,840,235.20 : x - Step 2: Convert to fraction form
95,034,868.08/131,129,163.12 = 57,840,235.20/x - Step 3: Cross multiply
95,034,868.08x = 131,129,163.12 × 57,840,235.20 - Step 4: Simplify right side
95,034,868.08x = 7,584,541,636,439,966 - Step 5: Solve for x
x = 7,584,541,636,439,966/95,034,868.08 - Step 6: Final answer
x = 79,807,988.26
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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.