Finding the Fourth Proportional to 271,485,574, 374,646,942.84 and 147,724,118.80
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Solution
The fourth proportional to 271,485,574, 374,646,942.84 and 147,724,118.80 is: 203,857,570.32
Step by Step Solution
- Step 1: Write the proportion equation
271,485,574 : 374,646,942.84 = 147,724,118.80 : x - Step 2: Convert to fraction form
271,485,574/374,646,942.84 = 147,724,118.80/x - Step 3: Cross multiply
271,485,574x = 374,646,942.84 × 147,724,118.80 - Step 4: Simplify right side
271,485,574x = 55,344,389,492,152,968 - Step 5: Solve for x
x = 55,344,389,492,152,968/271,485,574 - Step 6: Final answer
x = 203,857,570.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.