Finding the Fourth Proportional to 231,720,734.13, 347,553,564.56 and 76,235,983.23
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Solution
The fourth proportional to 231,720,734.13, 347,553,564.56 and 76,235,983.23 is: 114,344,915.31
Step by Step Solution
- Step 1: Write the proportion equation
231,720,734.13 : 347,553,564.56 = 76,235,983.23 : x - Step 2: Convert to fraction form
231,720,734.13/347,553,564.56 = 76,235,983.23/x - Step 3: Cross multiply
231,720,734.13x = 347,553,564.56 × 76,235,983.23 - Step 4: Simplify right side
231,720,734.13x = 26,496,087,719,322,884 - Step 5: Solve for x
x = 26,496,087,719,322,884/231,720,734.13 - Step 6: Final answer
x = 114,344,915.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.