Finding the Fourth Proportional to 118,995,877.26, 164,230,334.79 and 66,787,768.98
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Solution
The fourth proportional to 118,995,877.26, 164,230,334.79 and 66,787,768.98 is: 92,176,114.94
Step by Step Solution
- Step 1: Write the proportion equation
118,995,877.26 : 164,230,334.79 = 66,787,768.98 : x - Step 2: Convert to fraction form
118,995,877.26/164,230,334.79 = 66,787,768.98/x - Step 3: Cross multiply
118,995,877.26x = 164,230,334.79 × 66,787,768.98 - Step 4: Simplify right side
118,995,877.26x = 10,968,577,659,462,576 - Step 5: Solve for x
x = 10,968,577,659,462,576/118,995,877.26 - Step 6: Final answer
x = 92,176,114.94
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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.