Finding the Fourth Proportional to 125,487,503.58, 173,177,961.24 and 69,732,715.80
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Solution
The fourth proportional to 125,487,503.58, 173,177,961.24 and 69,732,715.80 is: 96,234,040.92
Step by Step Solution
- Step 1: Write the proportion equation
125,487,503.58 : 173,177,961.24 = 69,732,715.80 : x - Step 2: Convert to fraction form
125,487,503.58/173,177,961.24 = 69,732,715.80/x - Step 3: Cross multiply
125,487,503.58x = 173,177,961.24 × 69,732,715.80 - Step 4: Simplify right side
125,487,503.58x = 12,076,169,553,972,336 - Step 5: Solve for x
x = 12,076,169,553,972,336/125,487,503.58 - Step 6: Final answer
x = 96,234,040.92
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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.