Finding the Fourth Proportional to 125,980,986.66, 188,903,097.63 and 56,812,861.05
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Solution
The fourth proportional to 125,980,986.66, 188,903,097.63 and 56,812,861.05 is: 85,188,453.61
Step by Step Solution
- Step 1: Write the proportion equation
125,980,986.66 : 188,903,097.63 = 56,812,861.05 : x - Step 2: Convert to fraction form
125,980,986.66/188,903,097.63 = 56,812,861.05/x - Step 3: Cross multiply
125,980,986.66x = 188,903,097.63 × 56,812,861.05 - Step 4: Simplify right side
125,980,986.66x = 10,732,125,437,567,774 - Step 5: Solve for x
x = 10,732,125,437,567,774/125,980,986.66 - Step 6: Final answer
x = 85,188,453.61
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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.