Finding the Fourth Proportional to 118,206,879.30, 177,310,318.95 and 63,787,320.90
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Solution
The fourth proportional to 118,206,879.30, 177,310,318.95 and 63,787,320.90 is: 95,680,981.35
Step by Step Solution
- Step 1: Write the proportion equation
118,206,879.30 : 177,310,318.95 = 63,787,320.90 : x - Step 2: Convert to fraction form
118,206,879.30/177,310,318.95 = 63,787,320.90/x - Step 3: Cross multiply
118,206,879.30x = 177,310,318.95 × 63,787,320.90 - Step 4: Simplify right side
118,206,879.30x = 11,310,150,213,745,000 - Step 5: Solve for x
x = 11,310,150,213,745,000/118,206,879.30 - Step 6: Final answer
x = 95,680,981.35
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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.