Finding the Fourth Proportional to 106,947,124.80, 160,420,687.20 and 49,551,496.80
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Solution
The fourth proportional to 106,947,124.80, 160,420,687.20 and 49,551,496.80 is: 74,327,245.20
Step by Step Solution
- Step 1: Write the proportion equation
106,947,124.80 : 160,420,687.20 = 49,551,496.80 : x - Step 2: Convert to fraction form
106,947,124.80/160,420,687.20 = 49,551,496.80/x - Step 3: Cross multiply
106,947,124.80x = 160,420,687.20 × 49,551,496.80 - Step 4: Simplify right side
106,947,124.80x = 7,949,085,168,444,600 - Step 5: Solve for x
x = 7,949,085,168,444,600/106,947,124.80 - Step 6: Final answer
x = 74,327,245.20
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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.