Finding the Fourth Proportional to 144,591,787.20, 216,887,680.80 and 48,852,292.80
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Solution
The fourth proportional to 144,591,787.20, 216,887,680.80 and 48,852,292.80 is: 73,278,439.20
Step by Step Solution
- Step 1: Write the proportion equation
144,591,787.20 : 216,887,680.80 = 48,852,292.80 : x - Step 2: Convert to fraction form
144,591,787.20/216,887,680.80 = 48,852,292.80/x - Step 3: Cross multiply
144,591,787.20x = 216,887,680.80 × 48,852,292.80 - Step 4: Simplify right side
144,591,787.20x = 10,595,460,487,154,538 - Step 5: Solve for x
x = 10,595,460,487,154,538/144,591,787.20 - Step 6: Final answer
x = 73,278,439.20
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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.