Finding the Fourth Proportional to 136,084,612.20, 204,126,918.30 and 122,054,569.80
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Solution
The fourth proportional to 136,084,612.20, 204,126,918.30 and 122,054,569.80 is: 183,081,854.70
Step by Step Solution
- Step 1: Write the proportion equation
136,084,612.20 : 204,126,918.30 = 122,054,569.80 : x - Step 2: Convert to fraction form
136,084,612.20/204,126,918.30 = 122,054,569.80/x - Step 3: Cross multiply
136,084,612.20x = 204,126,918.30 × 122,054,569.80 - Step 4: Simplify right side
136,084,612.20x = 24,914,623,197,706,248 - Step 5: Solve for x
x = 24,914,623,197,706,248/136,084,612.20 - Step 6: Final answer
x = 183,081,854.70
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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.