Finding the Fourth Proportional to 193,544,207.20, 290,748,848.40 and 161,693,711.20
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Solution
The fourth proportional to 193,544,207.20, 290,748,848.40 and 161,693,711.20 is: 242,901,924.09
Step by Step Solution
- Step 1: Write the proportion equation
193,544,207.20 : 290,748,848.40 = 161,693,711.20 : x - Step 2: Convert to fraction form
193,544,207.20/290,748,848.40 = 161,693,711.20/x - Step 3: Cross multiply
193,544,207.20x = 290,748,848.40 × 161,693,711.20 - Step 4: Simplify right side
193,544,207.20x = 47,012,260,324,922,176 - Step 5: Solve for x
x = 47,012,260,324,922,176/193,544,207.20 - Step 6: Final answer
x = 242,901,924.09
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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.