Finding the Fourth Proportional to 207,796,677.36, 286,759,750.68 and 114,981,097.20
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Solution
The fourth proportional to 207,796,677.36, 286,759,750.68 and 114,981,097.20 is: 158,674,100.01
Step by Step Solution
- Step 1: Write the proportion equation
207,796,677.36 : 286,759,750.68 = 114,981,097.20 : x - Step 2: Convert to fraction form
207,796,677.36/286,759,750.68 = 114,981,097.20/x - Step 3: Cross multiply
207,796,677.36x = 286,759,750.68 × 114,981,097.20 - Step 4: Simplify right side
207,796,677.36x = 32,971,950,765,984,848 - Step 5: Solve for x
x = 32,971,950,765,984,848/207,796,677.36 - Step 6: Final answer
x = 158,674,100.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.