Finding the Fourth Proportional to 112,330,908.70, 157,716,768.50 and 112,330,908.70
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Solution
The fourth proportional to 112,330,908.70, 157,716,768.50 and 112,330,908.70 is: 157,716,768.50
Step by Step Solution
- Step 1: Write the proportion equation
112,330,908.70 : 157,716,768.50 = 112,330,908.70 : x - Step 2: Convert to fraction form
112,330,908.70/157,716,768.50 = 112,330,908.70/x - Step 3: Cross multiply
112,330,908.70x = 157,716,768.50 × 112,330,908.70 - Step 4: Simplify right side
112,330,908.70x = 17,716,467,922,832,536 - Step 5: Solve for x
x = 17,716,467,922,832,536/112,330,908.70 - Step 6: Final answer
x = 157,716,768.50
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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.