Finding the Fourth Proportional to 199,626,851.20, 299,440,276.80 and 170,401,532.80
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Solution
The fourth proportional to 199,626,851.20, 299,440,276.80 and 170,401,532.80 is: 255,602,299.20
Step by Step Solution
- Step 1: Write the proportion equation
199,626,851.20 : 299,440,276.80 = 170,401,532.80 : x - Step 2: Convert to fraction form
199,626,851.20/299,440,276.80 = 170,401,532.80/x - Step 3: Cross multiply
199,626,851.20x = 299,440,276.80 × 170,401,532.80 - Step 4: Simplify right side
199,626,851.20x = 51,025,082,148,776,288 - Step 5: Solve for x
x = 51,025,082,148,776,288/199,626,851.20 - Step 6: Final answer
x = 255,602,299.20
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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.