Finding the Fourth Proportional to 88,903,485.30, 122,705,868.75 and 54,107,382.18
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Solution
The fourth proportional to 88,903,485.30, 122,705,868.75 and 54,107,382.18 is: 74,679,786.89
Step by Step Solution
- Step 1: Write the proportion equation
88,903,485.30 : 122,705,868.75 = 54,107,382.18 : x - Step 2: Convert to fraction form
88,903,485.30/122,705,868.75 = 54,107,382.18/x - Step 3: Cross multiply
88,903,485.30x = 122,705,868.75 × 54,107,382.18 - Step 4: Simplify right side
88,903,485.30x = 6,639,293,336,185,169 - Step 5: Solve for x
x = 6,639,293,336,185,169/88,903,485.30 - Step 6: Final answer
x = 74,679,786.89
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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.