Finding the Fourth Proportional to 83,478,450.26, 125,226,264.64 and 28,890,939.98
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Solution
The fourth proportional to 83,478,450.26, 125,226,264.64 and 28,890,939.98 is: 43,339,382.61
Step by Step Solution
- Step 1: Write the proportion equation
83,478,450.26 : 125,226,264.64 = 28,890,939.98 : x - Step 2: Convert to fraction form
83,478,450.26/125,226,264.64 = 28,890,939.98/x - Step 3: Cross multiply
83,478,450.26x = 125,226,264.64 × 28,890,939.98 - Step 4: Simplify right side
83,478,450.26x = 3,617,904,495,633,836.50 - Step 5: Solve for x
x = 3,617,904,495,633,836.50/83,478,450.26 - Step 6: Final answer
x = 43,339,382.61
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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.