Finding the Fourth Proportional to 195,266,825.64, 269,450,409.98 and 115,868,206.17
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Solution
The fourth proportional to 195,266,825.64, 269,450,409.98 and 115,868,206.17 is: 159,887,556.70
Step by Step Solution
- Step 1: Write the proportion equation
195,266,825.64 : 269,450,409.98 = 115,868,206.17 : x - Step 2: Convert to fraction form
195,266,825.64/269,450,409.98 = 115,868,206.17/x - Step 3: Cross multiply
195,266,825.64x = 269,450,409.98 × 115,868,206.17 - Step 4: Simplify right side
195,266,825.64x = 31,220,735,656,153,668 - Step 5: Solve for x
x = 31,220,735,656,153,668/195,266,825.64 - Step 6: Final answer
x = 159,887,556.70
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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.