Finding the Fourth Proportional to 157,467,908.70, 236,201,863.05 and 49,762,532.70
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Solution
The fourth proportional to 157,467,908.70, 236,201,863.05 and 49,762,532.70 is: 74,643,799.05
Step by Step Solution
- Step 1: Write the proportion equation
157,467,908.70 : 236,201,863.05 = 49,762,532.70 : x - Step 2: Convert to fraction form
157,467,908.70/236,201,863.05 = 49,762,532.70/x - Step 3: Cross multiply
157,467,908.70x = 236,201,863.05 × 49,762,532.70 - Step 4: Simplify right side
157,467,908.70x = 11,754,002,933,826,548 - Step 5: Solve for x
x = 11,754,002,933,826,548/157,467,908.70 - Step 6: Final answer
x = 74,643,799.05
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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.