Finding the Fourth Proportional to 257,782,337.74, 355,769,917.77 and 144,770,402.17
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Solution
The fourth proportional to 257,782,337.74, 355,769,917.77 and 144,770,402.17 is: 199,800,166.79
Step by Step Solution
- Step 1: Write the proportion equation
257,782,337.74 : 355,769,917.77 = 144,770,402.17 : x - Step 2: Convert to fraction form
257,782,337.74/355,769,917.77 = 144,770,402.17/x - Step 3: Cross multiply
257,782,337.74x = 355,769,917.77 × 144,770,402.17 - Step 4: Simplify right side
257,782,337.74x = 51,504,954,075,550,720 - Step 5: Solve for x
x = 51,504,954,075,550,720/257,782,337.74 - Step 6: Final answer
x = 199,800,166.79
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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.