Finding the Fourth Proportional to 83,669,677.80, 125,504,516.70 and 58,160,509.80
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Solution
The fourth proportional to 83,669,677.80, 125,504,516.70 and 58,160,509.80 is: 87,240,764.70
Step by Step Solution
- Step 1: Write the proportion equation
83,669,677.80 : 125,504,516.70 = 58,160,509.80 : x - Step 2: Convert to fraction form
83,669,677.80/125,504,516.70 = 58,160,509.80/x - Step 3: Cross multiply
83,669,677.80x = 125,504,516.70 × 58,160,509.80 - Step 4: Simplify right side
83,669,677.80x = 7,299,406,673,474,613 - Step 5: Solve for x
x = 7,299,406,673,474,613/83,669,677.80 - Step 6: Final answer
x = 87,240,764.70
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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.