Finding the Fourth Proportional to 202,374,801.18, 279,277,166.43 and 109,555,240.14
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Solution
The fourth proportional to 202,374,801.18, 279,277,166.43 and 109,555,240.14 is: 151,186,199.35
Step by Step Solution
- Step 1: Write the proportion equation
202,374,801.18 : 279,277,166.43 = 109,555,240.14 : x - Step 2: Convert to fraction form
202,374,801.18/279,277,166.43 = 109,555,240.14/x - Step 3: Cross multiply
202,374,801.18x = 279,277,166.43 × 109,555,240.14 - Step 4: Simplify right side
202,374,801.18x = 30,596,277,033,857,396 - Step 5: Solve for x
x = 30,596,277,033,857,396/202,374,801.18 - Step 6: Final answer
x = 151,186,199.35
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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.