Finding the Fourth Proportional to 216,162,722.58, 324,195,459.98 and 99,466,140.03
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Solution
The fourth proportional to 216,162,722.58, 324,195,459.98 and 99,466,140.03 is: 149,176,836.02
Step by Step Solution
- Step 1: Write the proportion equation
216,162,722.58 : 324,195,459.98 = 99,466,140.03 : x - Step 2: Convert to fraction form
216,162,722.58/324,195,459.98 = 99,466,140.03/x - Step 3: Cross multiply
216,162,722.58x = 324,195,459.98 × 99,466,140.03 - Step 4: Simplify right side
216,162,722.58x = 32,246,471,018,963,612 - Step 5: Solve for x
x = 32,246,471,018,963,612/216,162,722.58 - Step 6: Final answer
x = 149,176,836.02
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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.