Finding the Fourth Proportional to 218,951,589.11, 302,153,993.75 and 118,480,027.19
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Solution
The fourth proportional to 218,951,589.11, 302,153,993.75 and 118,480,027.19 is: 163,502,870.84
Step by Step Solution
- Step 1: Write the proportion equation
218,951,589.11 : 302,153,993.75 = 118,480,027.19 : x - Step 2: Convert to fraction form
218,951,589.11/302,153,993.75 = 118,480,027.19/x - Step 3: Cross multiply
218,951,589.11x = 302,153,993.75 × 118,480,027.19 - Step 4: Simplify right side
218,951,589.11x = 35,799,213,393,852,520 - Step 5: Solve for x
x = 35,799,213,393,852,520/218,951,589.11 - Step 6: Final answer
x = 163,502,870.84
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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.