Finding the Fourth Proportional to 178,079,805.20, 267,119,707.80 and 132,163,302.80
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Solution
The fourth proportional to 178,079,805.20, 267,119,707.80 and 132,163,302.80 is: 198,244,954.20
Step by Step Solution
- Step 1: Write the proportion equation
178,079,805.20 : 267,119,707.80 = 132,163,302.80 : x - Step 2: Convert to fraction form
178,079,805.20/267,119,707.80 = 132,163,302.80/x - Step 3: Cross multiply
178,079,805.20x = 267,119,707.80 × 132,163,302.80 - Step 4: Simplify right side
178,079,805.20x = 35,303,422,825,818,924 - Step 5: Solve for x
x = 35,303,422,825,818,924/178,079,805.20 - Step 6: Final answer
x = 198,244,954.20
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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.