Finding the Fourth Proportional to 110,624,207.20, 165,936,310.80 and 53,228,579.20
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Solution
The fourth proportional to 110,624,207.20, 165,936,310.80 and 53,228,579.20 is: 79,842,868.80
Step by Step Solution
- Step 1: Write the proportion equation
110,624,207.20 : 165,936,310.80 = 53,228,579.20 : x - Step 2: Convert to fraction form
110,624,207.20/165,936,310.80 = 53,228,579.20/x - Step 3: Cross multiply
110,624,207.20x = 165,936,310.80 × 53,228,579.20 - Step 4: Simplify right side
110,624,207.20x = 8,832,554,061,573,616 - Step 5: Solve for x
x = 8,832,554,061,573,616/110,624,207.20 - Step 6: Final answer
x = 79,842,868.80
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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.