Finding the Fourth Proportional to 54,138,480.99, 74,711,120.81 and 29,358,660.41
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Solution
The fourth proportional to 54,138,480.99, 74,711,120.81 and 29,358,660.41 is: 40,514,960.60
Step by Step Solution
- Step 1: Write the proportion equation
54,138,480.99 : 74,711,120.81 = 29,358,660.41 : x - Step 2: Convert to fraction form
54,138,480.99/74,711,120.81 = 29,358,660.41/x - Step 3: Cross multiply
54,138,480.99x = 74,711,120.81 × 29,358,660.41 - Step 4: Simplify right side
54,138,480.99x = 2,193,418,424,190,925.50 - Step 5: Solve for x
x = 2,193,418,424,190,925.50/54,138,480.99 - Step 6: Final answer
x = 40,514,960.60
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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.