Finding the Fourth Proportional to 80,195,345.57, 110,650,608.38 and 45,388,034.99
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Solution
The fourth proportional to 80,195,345.57, 110,650,608.38 and 45,388,034.99 is: 62,624,752.70
Step by Step Solution
- Step 1: Write the proportion equation
80,195,345.57 : 110,650,608.38 = 45,388,034.99 : x - Step 2: Convert to fraction form
80,195,345.57/110,650,608.38 = 45,388,034.99/x - Step 3: Cross multiply
80,195,345.57x = 110,650,608.38 × 45,388,034.99 - Step 4: Simplify right side
80,195,345.57x = 5,022,213,684,535,850 - Step 5: Solve for x
x = 5,022,213,684,535,850/80,195,345.57 - Step 6: Final answer
x = 62,624,752.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.