Finding the Fourth Proportional to 106,620,509.76, 159,809,861.61 and 48,993,704.79
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Solution
The fourth proportional to 106,620,509.76, 159,809,861.61 and 48,993,704.79 is: 73,435,000.45
Step by Step Solution
- Step 1: Write the proportion equation
106,620,509.76 : 159,809,861.61 = 48,993,704.79 : x - Step 2: Convert to fraction form
106,620,509.76/159,809,861.61 = 48,993,704.79/x - Step 3: Cross multiply
106,620,509.76x = 159,809,861.61 × 48,993,704.79 - Step 4: Simplify right side
106,620,509.76x = 7,829,677,182,251,095 - Step 5: Solve for x
x = 7,829,677,182,251,095/106,620,509.76 - Step 6: Final answer
x = 73,435,000.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.