Finding the Fourth Proportional to 110,268,234.30, 165,402,351.45 and 79,657,232.70
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Solution
The fourth proportional to 110,268,234.30, 165,402,351.45 and 79,657,232.70 is: 119,485,849.05
Step by Step Solution
- Step 1: Write the proportion equation
110,268,234.30 : 165,402,351.45 = 79,657,232.70 : x - Step 2: Convert to fraction form
110,268,234.30/165,402,351.45 = 79,657,232.70/x - Step 3: Cross multiply
110,268,234.30x = 165,402,351.45 × 79,657,232.70 - Step 4: Simplify right side
110,268,234.30x = 13,175,493,598,579,832 - Step 5: Solve for x
x = 13,175,493,598,579,832/110,268,234.30 - Step 6: Final answer
x = 119,485,849.05
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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.