Finding the Fourth Proportional to 146,808,309.69, 202,608,377.87 and 80,740,449.09
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Solution
The fourth proportional to 146,808,309.69, 202,608,377.87 and 80,740,449.09 is: 111,428,920.15
Step by Step Solution
- Step 1: Write the proportion equation
146,808,309.69 : 202,608,377.87 = 80,740,449.09 : x - Step 2: Convert to fraction form
146,808,309.69/202,608,377.87 = 80,740,449.09/x - Step 3: Cross multiply
146,808,309.69x = 202,608,377.87 × 80,740,449.09 - Step 4: Simplify right side
146,808,309.69x = 16,358,691,418,216,516 - Step 5: Solve for x
x = 16,358,691,418,216,516/146,808,309.69 - Step 6: Final answer
x = 111,428,920.15
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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.