Finding the Fourth Proportional to 253,599,730.68, 380,134,124.24 and 106,131,786.76
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Solution
The fourth proportional to 253,599,730.68, 380,134,124.24 and 106,131,786.76 is: 159,086,579.89
Step by Step Solution
- Step 1: Write the proportion equation
253,599,730.68 : 380,134,124.24 = 106,131,786.76 : x - Step 2: Convert to fraction form
253,599,730.68/380,134,124.24 = 106,131,786.76/x - Step 3: Cross multiply
253,599,730.68x = 380,134,124.24 × 106,131,786.76 - Step 4: Simplify right side
253,599,730.68x = 40,344,313,814,039,032 - Step 5: Solve for x
x = 40,344,313,814,039,032/253,599,730.68 - Step 6: Final answer
x = 159,086,579.89
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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.