Finding the Fourth Proportional to 247,964,054.64, 342,193,543.20 and 136,467,732.96
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Solution
The fourth proportional to 247,964,054.64, 342,193,543.20 and 136,467,732.96 is: 188,327,203.88
Step by Step Solution
- Step 1: Write the proportion equation
247,964,054.64 : 342,193,543.20 = 136,467,732.96 : x - Step 2: Convert to fraction form
247,964,054.64/342,193,543.20 = 136,467,732.96/x - Step 3: Cross multiply
247,964,054.64x = 342,193,543.20 × 136,467,732.96 - Step 4: Simplify right side
247,964,054.64x = 46,698,377,074,053,824 - Step 5: Solve for x
x = 46,698,377,074,053,824/247,964,054.64 - Step 6: Final answer
x = 188,327,203.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.