Finding the Fourth Proportional to 84,251,982.30, 118,112,027.70 and 84,251,982.30
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Solution
The fourth proportional to 84,251,982.30, 118,112,027.70 and 84,251,982.30 is: 118,112,027.70
Step by Step Solution
- Step 1: Write the proportion equation
84,251,982.30 : 118,112,027.70 = 84,251,982.30 : x - Step 2: Convert to fraction form
84,251,982.30/118,112,027.70 = 84,251,982.30/x - Step 3: Cross multiply
84,251,982.30x = 118,112,027.70 × 84,251,982.30 - Step 4: Simplify right side
84,251,982.30x = 9,951,172,467,197,510 - Step 5: Solve for x
x = 9,951,172,467,197,510/84,251,982.30 - Step 6: Final answer
x = 118,112,027.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.