Finding the Fourth Proportional to 194,206,840.80, 291,310,261.20 and 185,248,888.80
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Solution
The fourth proportional to 194,206,840.80, 291,310,261.20 and 185,248,888.80 is: 277,873,333.20
Step by Step Solution
- Step 1: Write the proportion equation
194,206,840.80 : 291,310,261.20 = 185,248,888.80 : x - Step 2: Convert to fraction form
194,206,840.80/291,310,261.20 = 185,248,888.80/x - Step 3: Cross multiply
194,206,840.80x = 291,310,261.20 × 185,248,888.80 - Step 4: Simplify right side
194,206,840.80x = 53,964,902,183,337,752 - Step 5: Solve for x
x = 53,964,902,183,337,752/194,206,840.80 - Step 6: Final answer
x = 277,873,333.20
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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.