Finding the Fourth Proportional to 88,230,634.80, 121,724,877.24 and 54,724,615.44
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Solution
The fourth proportional to 88,230,634.80, 121,724,877.24 and 54,724,615.44 is: 75,499,253.88
Step by Step Solution
- Step 1: Write the proportion equation
88,230,634.80 : 121,724,877.24 = 54,724,615.44 : x - Step 2: Convert to fraction form
88,230,634.80/121,724,877.24 = 54,724,615.44/x - Step 3: Cross multiply
88,230,634.80x = 121,724,877.24 × 54,724,615.44 - Step 4: Simplify right side
88,230,634.80x = 6,661,347,096,440,208 - Step 5: Solve for x
x = 6,661,347,096,440,208/88,230,634.80 - Step 6: Final answer
x = 75,499,253.88
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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.