Finding the Fourth Proportional to 289,497,715.20, 434,097,273.60 and 107,651,289.60
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Solution
The fourth proportional to 289,497,715.20, 434,097,273.60 and 107,651,289.60 is: 161,421,416.69
Step by Step Solution
- Step 1: Write the proportion equation
289,497,715.20 : 434,097,273.60 = 107,651,289.60 : x - Step 2: Convert to fraction form
289,497,715.20/434,097,273.60 = 107,651,289.60/x - Step 3: Cross multiply
289,497,715.20x = 434,097,273.60 × 107,651,289.60 - Step 4: Simplify right side
289,497,715.20x = 46,731,131,314,884,032 - Step 5: Solve for x
x = 46,731,131,314,884,032/289,497,715.20 - Step 6: Final answer
x = 161,421,416.69
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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.