Finding the Fourth Proportional to 110,808,812.70, 166,213,219.05 and 64,892,310.30
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Solution
The fourth proportional to 110,808,812.70, 166,213,219.05 and 64,892,310.30 is: 97,338,465.45
Step by Step Solution
- Step 1: Write the proportion equation
110,808,812.70 : 166,213,219.05 = 64,892,310.30 : x - Step 2: Convert to fraction form
110,808,812.70/166,213,219.05 = 64,892,310.30/x - Step 3: Cross multiply
110,808,812.70x = 166,213,219.05 × 64,892,310.30 - Step 4: Simplify right side
110,808,812.70x = 10,785,959,786,554,472 - Step 5: Solve for x
x = 10,785,959,786,554,472/110,808,812.70 - Step 6: Final answer
x = 97,338,465.45
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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.