Finding the Fourth Proportional to 207,626,803.57, 311,471,169.05 and 76,458,991.47
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Solution
The fourth proportional to 207,626,803.57, 311,471,169.05 and 76,458,991.47 is: 114,699,889.65
Step by Step Solution
- Step 1: Write the proportion equation
207,626,803.57 : 311,471,169.05 = 76,458,991.47 : x - Step 2: Convert to fraction form
207,626,803.57/311,471,169.05 = 76,458,991.47/x - Step 3: Cross multiply
207,626,803.57x = 311,471,169.05 × 76,458,991.47 - Step 4: Simplify right side
207,626,803.57x = 23,814,771,457,544,880 - Step 5: Solve for x
x = 23,814,771,457,544,880/207,626,803.57 - Step 6: Final answer
x = 114,699,889.65
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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.