Finding the Fourth Proportional to 53,921,743.80, 80,882,615.70 and 40,484,815.80
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Solution
The fourth proportional to 53,921,743.80, 80,882,615.70 and 40,484,815.80 is: 60,727,223.70
Step by Step Solution
- Step 1: Write the proportion equation
53,921,743.80 : 80,882,615.70 = 40,484,815.80 : x - Step 2: Convert to fraction form
53,921,743.80/80,882,615.70 = 40,484,815.80/x - Step 3: Cross multiply
53,921,743.80x = 80,882,615.70 × 40,484,815.80 - Step 4: Simplify right side
53,921,743.80x = 3,274,517,798,036,688 - Step 5: Solve for x
x = 3,274,517,798,036,688/53,921,743.80 - Step 6: Final answer
x = 60,727,223.70
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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.