Finding the Fourth Proportional to 220,064,135.60, 330,096,203.40 and 203,435,937.20
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Solution
The fourth proportional to 220,064,135.60, 330,096,203.40 and 203,435,937.20 is: 305,153,905.80
Step by Step Solution
- Step 1: Write the proportion equation
220,064,135.60 : 330,096,203.40 = 203,435,937.20 : x - Step 2: Convert to fraction form
220,064,135.60/330,096,203.40 = 203,435,937.20/x - Step 3: Cross multiply
220,064,135.60x = 330,096,203.40 × 203,435,937.20 - Step 4: Simplify right side
220,064,135.60x = 67,153,430,504,840,816 - Step 5: Solve for x
x = 67,153,430,504,840,816/220,064,135.60 - Step 6: Final answer
x = 305,153,905.80
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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.