Finding the Fourth Proportional to 162,774,915.40, 244,162,373.10 and 132,163,913.80
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Solution
The fourth proportional to 162,774,915.40, 244,162,373.10 and 132,163,913.80 is: 198,245,870.70
Step by Step Solution
- Step 1: Write the proportion equation
162,774,915.40 : 244,162,373.10 = 132,163,913.80 : x - Step 2: Convert to fraction form
162,774,915.40/244,162,373.10 = 132,163,913.80/x - Step 3: Cross multiply
162,774,915.40x = 244,162,373.10 × 132,163,913.80 - Step 4: Simplify right side
162,774,915.40x = 32,269,454,831,591,836 - Step 5: Solve for x
x = 32,269,454,831,591,836/162,774,915.40 - Step 6: Final answer
x = 198,245,870.70
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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.