Finding the Fourth Proportional to 363,967,488.12, 545,951,233.62 and 121,630,392.12
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Solution
The fourth proportional to 363,967,488.12, 545,951,233.62 and 121,630,392.12 is: 182,445,588.66
Step by Step Solution
- Step 1: Write the proportion equation
363,967,488.12 : 545,951,233.62 = 121,630,392.12 : x - Step 2: Convert to fraction form
363,967,488.12/545,951,233.62 = 121,630,392.12/x - Step 3: Cross multiply
363,967,488.12x = 545,951,233.62 × 121,630,392.12 - Step 4: Simplify right side
363,967,488.12x = 66,404,262,623,598,328 - Step 5: Solve for x
x = 66,404,262,623,598,328/363,967,488.12 - Step 6: Final answer
x = 182,445,588.66
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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.