Finding the Fourth Proportional to 147,436,246.96, 203,466,344.86 and 80,459,529.58
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Solution
The fourth proportional to 147,436,246.96, 203,466,344.86 and 80,459,529.58 is: 111,036,510.56
Step by Step Solution
- Step 1: Write the proportion equation
147,436,246.96 : 203,466,344.86 = 80,459,529.58 : x - Step 2: Convert to fraction form
147,436,246.96/203,466,344.86 = 80,459,529.58/x - Step 3: Cross multiply
147,436,246.96x = 203,466,344.86 × 80,459,529.58 - Step 4: Simplify right side
147,436,246.96x = 16,370,806,392,797,652 - Step 5: Solve for x
x = 16,370,806,392,797,652/147,436,246.96 - Step 6: Final answer
x = 111,036,510.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.