Finding the Fourth Proportional to 56,164,243.20, 84,246,364.80 and 52,385,107.20
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Solution
The fourth proportional to 56,164,243.20, 84,246,364.80 and 52,385,107.20 is: 78,577,660.80
Step by Step Solution
- Step 1: Write the proportion equation
56,164,243.20 : 84,246,364.80 = 52,385,107.20 : x - Step 2: Convert to fraction form
56,164,243.20/84,246,364.80 = 52,385,107.20/x - Step 3: Cross multiply
56,164,243.20x = 84,246,364.80 × 52,385,107.20 - Step 4: Simplify right side
56,164,243.20x = 4,413,254,851,258,306.50 - Step 5: Solve for x
x = 4,413,254,851,258,306.50/56,164,243.20 - Step 6: Final answer
x = 78,577,660.80
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Similar ratio
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1.5x scale
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.