Finding the Fourth Proportional to 83,939,440.95, 125,857,873.88 and 40,233,573.18
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Solution
The fourth proportional to 83,939,440.95, 125,857,873.88 and 40,233,573.18 is: 60,325,776.79
Step by Step Solution
- Step 1: Write the proportion equation
83,939,440.95 : 125,857,873.88 = 40,233,573.18 : x - Step 2: Convert to fraction form
83,939,440.95/125,857,873.88 = 40,233,573.18/x - Step 3: Cross multiply
83,939,440.95x = 125,857,873.88 × 40,233,573.18 - Step 4: Simplify right side
83,939,440.95x = 5,063,711,978,829,023 - Step 5: Solve for x
x = 5,063,711,978,829,023/83,939,440.95 - Step 6: Final answer
x = 60,325,776.79
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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.