Finding the Fourth Proportional to 87,646,218.40, 120,955,342.04 and 48,487,320.44
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Solution
The fourth proportional to 87,646,218.40, 120,955,342.04 and 48,487,320.44 is: 66,914,472.02
Step by Step Solution
- Step 1: Write the proportion equation
87,646,218.40 : 120,955,342.04 = 48,487,320.44 : x - Step 2: Convert to fraction form
87,646,218.40/120,955,342.04 = 48,487,320.44/x - Step 3: Cross multiply
87,646,218.40x = 120,955,342.04 × 48,487,320.44 - Step 4: Simplify right side
87,646,218.40x = 5,864,800,428,423,283 - Step 5: Solve for x
x = 5,864,800,428,423,283/87,646,218.40 - Step 6: Final answer
x = 66,914,472.02
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1.5x scale
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.