Finding the Fourth Proportional to 56,785,260.70, 85,177,891.05 and 40,660,947.10
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Solution
The fourth proportional to 56,785,260.70, 85,177,891.05 and 40,660,947.10 is: 60,991,420.65
Step by Step Solution
- Step 1: Write the proportion equation
56,785,260.70 : 85,177,891.05 = 40,660,947.10 : x - Step 2: Convert to fraction form
56,785,260.70/85,177,891.05 = 40,660,947.10/x - Step 3: Cross multiply
56,785,260.70x = 85,177,891.05 × 40,660,947.10 - Step 4: Simplify right side
56,785,260.70x = 3,463,413,722,073,613.50 - Step 5: Solve for x
x = 3,463,413,722,073,613.50/56,785,260.70 - Step 6: Final answer
x = 60,991,420.65
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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.