Finding the Fourth Proportional to 146,821,313.18, 202,618,615.72 and 80,746,921.66
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Solution
The fourth proportional to 146,821,313.18, 202,618,615.72 and 80,746,921.66 is: 111,433,613.66
Step by Step Solution
- Step 1: Write the proportion equation
146,821,313.18 : 202,618,615.72 = 80,746,921.66 : x - Step 2: Convert to fraction form
146,821,313.18/202,618,615.72 = 80,746,921.66/x - Step 3: Cross multiply
146,821,313.18x = 202,618,615.72 × 80,746,921.66 - Step 4: Simplify right side
146,821,313.18x = 16,360,829,490,400,484 - Step 5: Solve for x
x = 16,360,829,490,400,484/146,821,313.18 - Step 6: Final answer
x = 111,433,613.66
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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.