Finding the Fourth Proportional to 83,496,175.20, 125,496,205.20 and 72,410,709.60
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Solution
The fourth proportional to 83,496,175.20, 125,496,205.20 and 72,410,709.60 is: 108,834,557.38
Step by Step Solution
- Step 1: Write the proportion equation
83,496,175.20 : 125,496,205.20 = 72,410,709.60 : x - Step 2: Convert to fraction form
83,496,175.20/125,496,205.20 = 72,410,709.60/x - Step 3: Cross multiply
83,496,175.20x = 125,496,205.20 × 72,410,709.60 - Step 4: Simplify right side
83,496,175.20x = 9,087,269,270,639,210 - Step 5: Solve for x
x = 9,087,269,270,639,210/83,496,175.20 - Step 6: Final answer
x = 108,834,557.38
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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.