Finding the Fourth Proportional to 84,564,046.20, 126,846,069.30 and 48,284,340.60
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Solution
The fourth proportional to 84,564,046.20, 126,846,069.30 and 48,284,340.60 is: 72,426,510.90
Step by Step Solution
- Step 1: Write the proportion equation
84,564,046.20 : 126,846,069.30 = 48,284,340.60 : x - Step 2: Convert to fraction form
84,564,046.20/126,846,069.30 = 48,284,340.60/x - Step 3: Cross multiply
84,564,046.20x = 126,846,069.30 × 48,284,340.60 - Step 4: Simplify right side
84,564,046.20x = 6,124,678,813,852,404 - Step 5: Solve for x
x = 6,124,678,813,852,404/84,564,046.20 - Step 6: Final answer
x = 72,426,510.90
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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.