Finding the Fourth Proportional to 112,975,998.80, 169,463,998.20 and 32,186,469.20
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Solution
The fourth proportional to 112,975,998.80, 169,463,998.20 and 32,186,469.20 is: 48,279,703.80
Step by Step Solution
- Step 1: Write the proportion equation
112,975,998.80 : 169,463,998.20 = 32,186,469.20 : x - Step 2: Convert to fraction form
112,975,998.80/169,463,998.20 = 32,186,469.20/x - Step 3: Cross multiply
112,975,998.80x = 169,463,998.20 × 32,186,469.20 - Step 4: Simplify right side
112,975,998.80x = 5,454,447,758,573,155 - Step 5: Solve for x
x = 5,454,447,758,573,155/112,975,998.80 - Step 6: Final answer
x = 48,279,703.80
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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.