Finding the Fourth Proportional to 170,247,713.70, 255,371,570.55 and 84,154,271.70
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Solution
The fourth proportional to 170,247,713.70, 255,371,570.55 and 84,154,271.70 is: 126,231,407.55
Step by Step Solution
- Step 1: Write the proportion equation
170,247,713.70 : 255,371,570.55 = 84,154,271.70 : x - Step 2: Convert to fraction form
170,247,713.70/255,371,570.55 = 84,154,271.70/x - Step 3: Cross multiply
170,247,713.70x = 255,371,570.55 × 84,154,271.70 - Step 4: Simplify right side
170,247,713.70x = 21,490,608,532,520,420 - Step 5: Solve for x
x = 21,490,608,532,520,420/170,247,713.70 - Step 6: Final answer
x = 126,231,407.55
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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.