Finding the Fourth Proportional to 170,414,959.80, 255,622,439.70 and 130,104,175.80
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Solution
The fourth proportional to 170,414,959.80, 255,622,439.70 and 130,104,175.80 is: 195,156,263.70
Step by Step Solution
- Step 1: Write the proportion equation
170,414,959.80 : 255,622,439.70 = 130,104,175.80 : x - Step 2: Convert to fraction form
170,414,959.80/255,622,439.70 = 130,104,175.80/x - Step 3: Cross multiply
170,414,959.80x = 255,622,439.70 × 130,104,175.80 - Step 4: Simplify right side
170,414,959.80x = 33,257,546,833,153,696 - Step 5: Solve for x
x = 33,257,546,833,153,696/170,414,959.80 - Step 6: Final answer
x = 195,156,263.70
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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.