Finding the Fourth Proportional to 261,414,053.19, 360,757,862.53 and 142,343,173.06
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Solution
The fourth proportional to 261,414,053.19, 360,757,862.53 and 142,343,173.06 is: 196,437,101.34
Step by Step Solution
- Step 1: Write the proportion equation
261,414,053.19 : 360,757,862.53 = 142,343,173.06 : x - Step 2: Convert to fraction form
261,414,053.19/360,757,862.53 = 142,343,173.06/x - Step 3: Cross multiply
261,414,053.19x = 360,757,862.53 × 142,343,173.06 - Step 4: Simplify right side
261,414,053.19x = 51,351,418,857,605,728 - Step 5: Solve for x
x = 51,351,418,857,605,728/261,414,053.19 - Step 6: Final answer
x = 196,437,101.34
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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.