Finding the Fourth Proportional to 45,285,457.73, 68,230,669.68 and 40,973,035.68
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Solution
The fourth proportional to 45,285,457.73, 68,230,669.68 and 40,973,035.68 is: 61,733,231.90
Step by Step Solution
- Step 1: Write the proportion equation
45,285,457.73 : 68,230,669.68 = 40,973,035.68 : x - Step 2: Convert to fraction form
45,285,457.73/68,230,669.68 = 40,973,035.68/x - Step 3: Cross multiply
45,285,457.73x = 68,230,669.68 × 40,973,035.68 - Step 4: Simplify right side
45,285,457.73x = 2,795,617,663,268,934.50 - Step 5: Solve for x
x = 2,795,617,663,268,934.50/45,285,457.73 - Step 6: Final answer
x = 61,733,231.90
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.