Finding the Fourth Proportional to 121,168,801,133.80, 181,753,201,700.70 and 114,660,136,918.60
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Solution
The fourth proportional to 121,168,801,133.80, 181,753,201,700.70 and 114,660,136,918.60 is: 171,990,205,377.90
Step by Step Solution
- Step 1: Write the proportion equation
121,168,801,133.80 : 181,753,201,700.70 = 114,660,136,918.60 : x - Step 2: Convert to fraction form
121,168,801,133.80/181,753,201,700.70 = 114,660,136,918.60/x - Step 3: Cross multiply
121,168,801,133.80x = 181,753,201,700.70 × 114,660,136,918.60 - Step 4: Simplify right side
121,168,801,133.80x = 20,839,846,992,396,188,385,280 - Step 5: Solve for x
x = 20,839,846,992,396,188,385,280/121,168,801,133.80 - Step 6: Final answer
x = 171,990,205,377.90
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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.