Finding the Fourth Proportional to 47,133,568.80, 65,043,302.40 and 27,288,168.48
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Solution
The fourth proportional to 47,133,568.80, 65,043,302.40 and 27,288,168.48 is: 37,657,080.50
Step by Step Solution
- Step 1: Write the proportion equation
47,133,568.80 : 65,043,302.40 = 27,288,168.48 : x - Step 2: Convert to fraction form
47,133,568.80/65,043,302.40 = 27,288,168.48/x - Step 3: Cross multiply
47,133,568.80x = 65,043,302.40 × 27,288,168.48 - Step 4: Simplify right side
47,133,568.80x = 1,774,912,594,386,788.25 - Step 5: Solve for x
x = 1,774,912,594,386,788.25/47,133,568.80 - Step 6: Final answer
x = 37,657,080.50
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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.