Finding the Fourth Proportional to 251,701,708.79, 347,365,815.71 and 152,586,633.69
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Solution
The fourth proportional to 251,701,708.79, 347,365,815.71 and 152,586,633.69 is: 210,580,137.63
Step by Step Solution
- Step 1: Write the proportion equation
251,701,708.79 : 347,365,815.71 = 152,586,633.69 : x - Step 2: Convert to fraction form
251,701,708.79/347,365,815.71 = 152,586,633.69/x - Step 3: Cross multiply
251,701,708.79x = 347,365,815.71 × 152,586,633.69 - Step 4: Simplify right side
251,701,708.79x = 53,003,380,478,169,816 - Step 5: Solve for x
x = 53,003,380,478,169,816/251,701,708.79 - Step 6: Final answer
x = 210,580,137.63
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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.