Finding the Fourth Proportional to 195,266,824.64, 269,450,408.60 and 115,868,205.17
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Solution
The fourth proportional to 195,266,824.64, 269,450,408.60 and 115,868,205.17 is: 159,887,555.32
Step by Step Solution
- Step 1: Write the proportion equation
195,266,824.64 : 269,450,408.60 = 115,868,205.17 : x - Step 2: Convert to fraction form
195,266,824.64/269,450,408.60 = 115,868,205.17/x - Step 3: Cross multiply
195,266,824.64x = 269,450,408.60 × 115,868,205.17 - Step 4: Simplify right side
195,266,824.64x = 31,220,735,226,975,824 - Step 5: Solve for x
x = 31,220,735,226,975,824/195,266,824.64 - Step 6: Final answer
x = 159,887,555.32
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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.