Finding the Fourth Proportional to 165,402,477.80, 248,103,716.70 and 68,325,921.80
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Solution
The fourth proportional to 165,402,477.80, 248,103,716.70 and 68,325,921.80 is: 102,488,882.70
Step by Step Solution
- Step 1: Write the proportion equation
165,402,477.80 : 248,103,716.70 = 68,325,921.80 : x - Step 2: Convert to fraction form
165,402,477.80/248,103,716.70 = 68,325,921.80/x - Step 3: Cross multiply
165,402,477.80x = 248,103,716.70 × 68,325,921.80 - Step 4: Simplify right side
165,402,477.80x = 16,951,915,145,533,552 - Step 5: Solve for x
x = 16,951,915,145,533,552/165,402,477.80 - Step 6: Final answer
x = 102,488,882.70
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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.