Finding the Fourth Proportional to 202,374,853.44, 279,277,238.88 and 109,555,293.12
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Solution
The fourth proportional to 202,374,853.44, 279,277,238.88 and 109,555,293.12 is: 151,186,272.64
Step by Step Solution
- Step 1: Write the proportion equation
202,374,853.44 : 279,277,238.88 = 109,555,293.12 : x - Step 2: Convert to fraction form
202,374,853.44/279,277,238.88 = 109,555,293.12/x - Step 3: Cross multiply
202,374,853.44x = 279,277,238.88 × 109,555,293.12 - Step 4: Simplify right side
202,374,853.44x = 30,596,299,767,242,660 - Step 5: Solve for x
x = 30,596,299,767,242,660/202,374,853.44 - Step 6: Final answer
x = 151,186,272.64
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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.