Finding the Fourth Proportional to 221,595,110.46, 305,817,084.39 and 122,473,723.98
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Solution
The fourth proportional to 221,595,110.46, 305,817,084.39 and 122,473,723.98 is: 169,022,489.28
Step by Step Solution
- Step 1: Write the proportion equation
221,595,110.46 : 305,817,084.39 = 122,473,723.98 : x - Step 2: Convert to fraction form
221,595,110.46/305,817,084.39 = 122,473,723.98/x - Step 3: Cross multiply
221,595,110.46x = 305,817,084.39 × 122,473,723.98 - Step 4: Simplify right side
221,595,110.46x = 37,454,557,181,949,224 - Step 5: Solve for x
x = 37,454,557,181,949,224/221,595,110.46 - Step 6: Final answer
x = 169,022,489.28
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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.