Finding the Fourth Proportional to 195,477,508.19, 293,074,097.20 and 91,793,286.05
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Solution
The fourth proportional to 195,477,508.19, 293,074,097.20 and 91,793,286.05 is: 137,623,170.49
Step by Step Solution
- Step 1: Write the proportion equation
195,477,508.19 : 293,074,097.20 = 91,793,286.05 : x - Step 2: Convert to fraction form
195,477,508.19/293,074,097.20 = 91,793,286.05/x - Step 3: Cross multiply
195,477,508.19x = 293,074,097.20 × 91,793,286.05 - Step 4: Simplify right side
195,477,508.19x = 26,902,234,436,200,768 - Step 5: Solve for x
x = 26,902,234,436,200,768/195,477,508.19 - Step 6: Final answer
x = 137,623,170.49
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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.