Finding the Fourth Proportional to 205,648,519.38, 283,720,484.70 and 135,122,091.44
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Solution
The fourth proportional to 205,648,519.38, 283,720,484.70 and 135,122,091.44 is: 186,419,554.06
Step by Step Solution
- Step 1: Write the proportion equation
205,648,519.38 : 283,720,484.70 = 135,122,091.44 : x - Step 2: Convert to fraction form
205,648,519.38/283,720,484.70 = 135,122,091.44/x - Step 3: Cross multiply
205,648,519.38x = 283,720,484.70 × 135,122,091.44 - Step 4: Simplify right side
205,648,519.38x = 38,336,905,275,615,920 - Step 5: Solve for x
x = 38,336,905,275,615,920/205,648,519.38 - Step 6: Final answer
x = 186,419,554.06
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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.