Finding the Fourth Proportional to 170,356,231.80, 255,534,347.70 and 93,649,620.60
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Solution
The fourth proportional to 170,356,231.80, 255,534,347.70 and 93,649,620.60 is: 140,474,430.90
Step by Step Solution
- Step 1: Write the proportion equation
170,356,231.80 : 255,534,347.70 = 93,649,620.60 : x - Step 2: Convert to fraction form
170,356,231.80/255,534,347.70 = 93,649,620.60/x - Step 3: Cross multiply
170,356,231.80x = 255,534,347.70 × 93,649,620.60 - Step 4: Simplify right side
170,356,231.80x = 23,930,694,712,373,480 - Step 5: Solve for x
x = 23,930,694,712,373,480/170,356,231.80 - Step 6: Final answer
x = 140,474,430.90
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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.