Finding the Fourth Proportional to 206,968,994.06, 310,453,491.36 and 84,118,528.85
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Solution
The fourth proportional to 206,968,994.06, 310,453,491.36 and 84,118,528.85 is: 126,177,793.38
Step by Step Solution
- Step 1: Write the proportion equation
206,968,994.06 : 310,453,491.36 = 84,118,528.85 : x - Step 2: Convert to fraction form
206,968,994.06/310,453,491.36 = 84,118,528.85/x - Step 3: Cross multiply
206,968,994.06x = 310,453,491.36 × 84,118,528.85 - Step 4: Simplify right side
206,968,994.06x = 26,114,890,969,549,384 - Step 5: Solve for x
x = 26,114,890,969,549,384/206,968,994.06 - Step 6: Final answer
x = 126,177,793.38
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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.