Finding the Fourth Proportional to 161,753,207.80, 242,629,811.70 and 89,949,623.80
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Solution
The fourth proportional to 161,753,207.80, 242,629,811.70 and 89,949,623.80 is: 134,924,435.70
Step by Step Solution
- Step 1: Write the proportion equation
161,753,207.80 : 242,629,811.70 = 89,949,623.80 : x - Step 2: Convert to fraction form
161,753,207.80/242,629,811.70 = 89,949,623.80/x - Step 3: Cross multiply
161,753,207.80x = 242,629,811.70 × 89,949,623.80 - Step 4: Simplify right side
161,753,207.80x = 21,824,460,285,079,836 - Step 5: Solve for x
x = 21,824,460,285,079,836/161,753,207.80 - Step 6: Final answer
x = 134,924,435.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.