Finding the Fourth Proportional to 83,649,506.70, 125,474,260.05 and 66,430,818.30
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Solution
The fourth proportional to 83,649,506.70, 125,474,260.05 and 66,430,818.30 is: 99,646,227.45
Step by Step Solution
- Step 1: Write the proportion equation
83,649,506.70 : 125,474,260.05 = 66,430,818.30 : x - Step 2: Convert to fraction form
83,649,506.70/125,474,260.05 = 66,430,818.30/x - Step 3: Cross multiply
83,649,506.70x = 125,474,260.05 × 66,430,818.30 - Step 4: Simplify right side
83,649,506.70x = 8,335,357,770,708,498 - Step 5: Solve for x
x = 8,335,357,770,708,498/83,649,506.70 - Step 6: Final answer
x = 99,646,227.45
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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.