Finding the Fourth Proportional to 218,723,135.60, 328,084,703.40 and 202,094,937.20
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Solution
The fourth proportional to 218,723,135.60, 328,084,703.40 and 202,094,937.20 is: 303,142,405.80
Step by Step Solution
- Step 1: Write the proportion equation
218,723,135.60 : 328,084,703.40 = 202,094,937.20 : x - Step 2: Convert to fraction form
218,723,135.60/328,084,703.40 = 202,094,937.20/x - Step 3: Cross multiply
218,723,135.60x = 328,084,703.40 × 202,094,937.20 - Step 4: Simplify right side
218,723,135.60x = 66,304,257,529,903,616 - Step 5: Solve for x
x = 66,304,257,529,903,616/218,723,135.60 - Step 6: Final answer
x = 303,142,405.80
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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.