Finding the Fourth Proportional to 202,302,215.91, 279,177,054.57 and 109,482,723.75
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Solution
The fourth proportional to 202,302,215.91, 279,177,054.57 and 109,482,723.75 is: 151,086,156.94
Step by Step Solution
- Step 1: Write the proportion equation
202,302,215.91 : 279,177,054.57 = 109,482,723.75 : x - Step 2: Convert to fraction form
202,302,215.91/279,177,054.57 = 109,482,723.75/x - Step 3: Cross multiply
202,302,215.91x = 279,177,054.57 × 109,482,723.75 - Step 4: Simplify right side
202,302,215.91x = 30,565,064,342,825,984 - Step 5: Solve for x
x = 30,565,064,342,825,984/202,302,215.91 - Step 6: Final answer
x = 151,086,156.94
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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.