Finding the Fourth Proportional to 93,634,174.20, 140,451,261.30 and 84,564,247.80
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Solution
The fourth proportional to 93,634,174.20, 140,451,261.30 and 84,564,247.80 is: 126,846,371.70
Step by Step Solution
- Step 1: Write the proportion equation
93,634,174.20 : 140,451,261.30 = 84,564,247.80 : x - Step 2: Convert to fraction form
93,634,174.20/140,451,261.30 = 84,564,247.80/x - Step 3: Cross multiply
93,634,174.20x = 140,451,261.30 × 84,564,247.80 - Step 4: Simplify right side
93,634,174.20x = 11,877,155,264,395,750 - Step 5: Solve for x
x = 11,877,155,264,395,750/93,634,174.20 - Step 6: Final answer
x = 126,846,371.70
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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.