Finding the Fourth Proportional to 170,414,961.80, 255,622,442.70 and 130,104,177.80
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Solution
The fourth proportional to 170,414,961.80, 255,622,442.70 and 130,104,177.80 is: 195,156,266.70
Step by Step Solution
- Step 1: Write the proportion equation
170,414,961.80 : 255,622,442.70 = 130,104,177.80 : x - Step 2: Convert to fraction form
170,414,961.80/255,622,442.70 = 130,104,177.80/x - Step 3: Cross multiply
170,414,961.80x = 255,622,442.70 × 130,104,177.80 - Step 4: Simplify right side
170,414,961.80x = 33,257,547,734,711,108 - Step 5: Solve for x
x = 33,257,547,734,711,108/170,414,961.80 - Step 6: Final answer
x = 195,156,266.70
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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.