Finding the Fourth Proportional to 178,724,485.80, 268,086,728.70 and 110,700,037.80
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Solution
The fourth proportional to 178,724,485.80, 268,086,728.70 and 110,700,037.80 is: 166,050,056.70
Step by Step Solution
- Step 1: Write the proportion equation
178,724,485.80 : 268,086,728.70 = 110,700,037.80 : x - Step 2: Convert to fraction form
178,724,485.80/268,086,728.70 = 110,700,037.80/x - Step 3: Cross multiply
178,724,485.80x = 268,086,728.70 × 110,700,037.80 - Step 4: Simplify right side
178,724,485.80x = 29,677,211,000,768,344 - Step 5: Solve for x
x = 29,677,211,000,768,344/178,724,485.80 - Step 6: Final answer
x = 166,050,056.70
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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.