Finding the Fourth Proportional to 84,197,323, 126,295,989.36 and 20,371,915
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Solution
The fourth proportional to 84,197,323, 126,295,989.36 and 20,371,915 is: 30,557,873.68
Step by Step Solution
- Step 1: Write the proportion equation
84,197,323 : 126,295,989.36 = 20,371,915 : x - Step 2: Convert to fraction form
84,197,323/126,295,989.36 = 20,371,915/x - Step 3: Cross multiply
84,197,323x = 126,295,989.36 × 20,371,915 - Step 4: Simplify right side
84,197,323x = 2,572,891,160,082,824.50 - Step 5: Solve for x
x = 2,572,891,160,082,824.50/84,197,323 - Step 6: Final answer
x = 30,557,873.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.