Finding the Fourth Proportional to 231,720,733.13, 347,553,563.06 and 76,235,982.23
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Solution
The fourth proportional to 231,720,733.13, 347,553,563.06 and 76,235,982.23 is: 114,344,913.82
Step by Step Solution
- Step 1: Write the proportion equation
231,720,733.13 : 347,553,563.06 = 76,235,982.23 : x - Step 2: Convert to fraction form
231,720,733.13/347,553,563.06 = 76,235,982.23/x - Step 3: Cross multiply
231,720,733.13x = 347,553,563.06 × 76,235,982.23 - Step 4: Simplify right side
231,720,733.13x = 26,496,087,258,474,820 - Step 5: Solve for x
x = 26,496,087,258,474,820/231,720,733.13 - Step 6: Final answer
x = 114,344,913.82
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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.