Finding the Fourth Proportional to 206,864,517.35, 310,296,776.03 and 91,726,840.55
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Solution
The fourth proportional to 206,864,517.35, 310,296,776.03 and 91,726,840.55 is: 137,590,260.83
Step by Step Solution
- Step 1: Write the proportion equation
206,864,517.35 : 310,296,776.03 = 91,726,840.55 : x - Step 2: Convert to fraction form
206,864,517.35/310,296,776.03 = 91,726,840.55/x - Step 3: Cross multiply
206,864,517.35x = 310,296,776.03 × 91,726,840.55 - Step 4: Simplify right side
206,864,517.35x = 28,462,542,897,624,236 - Step 5: Solve for x
x = 28,462,542,897,624,236/206,864,517.35 - Step 6: Final answer
x = 137,590,260.83
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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.