Finding the Fourth Proportional to 127,763,207.80, 191,644,811.70 and 35,646,767.80
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Solution
The fourth proportional to 127,763,207.80, 191,644,811.70 and 35,646,767.80 is: 53,470,151.70
Step by Step Solution
- Step 1: Write the proportion equation
127,763,207.80 : 191,644,811.70 = 35,646,767.80 : x - Step 2: Convert to fraction form
127,763,207.80/191,644,811.70 = 35,646,767.80/x - Step 3: Cross multiply
127,763,207.80x = 191,644,811.70 × 35,646,767.80 - Step 4: Simplify right side
127,763,207.80x = 6,831,518,102,744,622 - Step 5: Solve for x
x = 6,831,518,102,744,622/127,763,207.80 - Step 6: Final answer
x = 53,470,151.70
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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.