Finding the Fourth Proportional to 203,487,202.20, 305,230,803.30 and 126,003,104.40
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Solution
The fourth proportional to 203,487,202.20, 305,230,803.30 and 126,003,104.40 is: 189,004,656.60
Step by Step Solution
- Step 1: Write the proportion equation
203,487,202.20 : 305,230,803.30 = 126,003,104.40 : x - Step 2: Convert to fraction form
203,487,202.20/305,230,803.30 = 126,003,104.40/x - Step 3: Cross multiply
203,487,202.20x = 305,230,803.30 × 126,003,104.40 - Step 4: Simplify right side
203,487,202.20x = 38,460,028,774,305,768 - Step 5: Solve for x
x = 38,460,028,774,305,768/203,487,202.20 - Step 6: Final answer
x = 189,004,656.60
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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.