Finding the Fourth Proportional to 110,664,109.20, 165,996,163.80 and 107,475,463.20
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Solution
The fourth proportional to 110,664,109.20, 165,996,163.80 and 107,475,463.20 is: 161,213,194.80
Step by Step Solution
- Step 1: Write the proportion equation
110,664,109.20 : 165,996,163.80 = 107,475,463.20 : x - Step 2: Convert to fraction form
110,664,109.20/165,996,163.80 = 107,475,463.20/x - Step 3: Cross multiply
110,664,109.20x = 165,996,163.80 × 107,475,463.20 - Step 4: Simplify right side
110,664,109.20x = 17,840,514,593,828,074 - Step 5: Solve for x
x = 17,840,514,593,828,074/110,664,109.20 - Step 6: Final answer
x = 161,213,194.80
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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.