Finding the Fourth Proportional to 202,374,854.44, 279,277,240.26 and 109,555,294.12
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Solution
The fourth proportional to 202,374,854.44, 279,277,240.26 and 109,555,294.12 is: 151,186,274.02
Step by Step Solution
- Step 1: Write the proportion equation
202,374,854.44 : 279,277,240.26 = 109,555,294.12 : x - Step 2: Convert to fraction form
202,374,854.44/279,277,240.26 = 109,555,294.12/x - Step 3: Cross multiply
202,374,854.44x = 279,277,240.26 × 109,555,294.12 - Step 4: Simplify right side
202,374,854.44x = 30,596,300,197,706,204 - Step 5: Solve for x
x = 30,596,300,197,706,204/202,374,854.44 - Step 6: Final answer
x = 151,186,274.02
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1.5x scale
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.