Finding the Fourth Proportional to 115,503,540.84, 159,394,840.74 and 63,995,316.84
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Solution
The fourth proportional to 115,503,540.84, 159,394,840.74 and 63,995,316.84 is: 88,313,511.96
Step by Step Solution
- Step 1: Write the proportion equation
115,503,540.84 : 159,394,840.74 = 63,995,316.84 : x - Step 2: Convert to fraction form
115,503,540.84/159,394,840.74 = 63,995,316.84/x - Step 3: Cross multiply
115,503,540.84x = 159,394,840.74 × 63,995,316.84 - Step 4: Simplify right side
115,503,540.84x = 10,200,523,335,817,642 - Step 5: Solve for x
x = 10,200,523,335,817,642/115,503,540.84 - Step 6: Final answer
x = 88,313,511.96
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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.