Finding the Fourth Proportional to 125,323,414.80, 187,985,122.20 and 114,552,877.20
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Solution
The fourth proportional to 125,323,414.80, 187,985,122.20 and 114,552,877.20 is: 171,829,315.80
Step by Step Solution
- Step 1: Write the proportion equation
125,323,414.80 : 187,985,122.20 = 114,552,877.20 : x - Step 2: Convert to fraction form
125,323,414.80/187,985,122.20 = 114,552,877.20/x - Step 3: Cross multiply
125,323,414.80x = 187,985,122.20 × 114,552,877.20 - Step 4: Simplify right side
125,323,414.80x = 21,534,236,618,803,592 - Step 5: Solve for x
x = 21,534,236,618,803,592/125,323,414.80 - Step 6: Final answer
x = 171,829,315.80
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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.