Finding the Fourth Proportional to 110,626,533.80, 165,939,800.70 and 53,230,905.80
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Solution
The fourth proportional to 110,626,533.80, 165,939,800.70 and 53,230,905.80 is: 79,846,358.70
Step by Step Solution
- Step 1: Write the proportion equation
110,626,533.80 : 165,939,800.70 = 53,230,905.80 : x - Step 2: Convert to fraction form
110,626,533.80/165,939,800.70 = 53,230,905.80/x - Step 3: Cross multiply
110,626,533.80x = 165,939,800.70 × 53,230,905.80 - Step 4: Simplify right side
110,626,533.80x = 8,833,125,899,532,473 - Step 5: Solve for x
x = 8,833,125,899,532,473/110,626,533.80 - Step 6: Final answer
x = 79,846,358.70
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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.