Finding the Fourth Proportional to 316,571,194.74, 436,867,917.41 and 177,342,936.56
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Solution
The fourth proportional to 316,571,194.74, 436,867,917.41 and 177,342,936.56 is: 244,733,066.84
Step by Step Solution
- Step 1: Write the proportion equation
316,571,194.74 : 436,867,917.41 = 177,342,936.56 : x - Step 2: Convert to fraction form
316,571,194.74/436,867,917.41 = 177,342,936.56/x - Step 3: Cross multiply
316,571,194.74x = 436,867,917.41 × 177,342,936.56 - Step 4: Simplify right side
316,571,194.74x = 77,475,439,362,340,960 - Step 5: Solve for x
x = 77,475,439,362,340,960/316,571,194.74 - Step 6: Final answer
x = 244,733,066.84
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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.