Finding the Fourth Proportional to 242,638,220.70, 363,957,331.05 and 106,589,324.70
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Solution
The fourth proportional to 242,638,220.70, 363,957,331.05 and 106,589,324.70 is: 159,883,987.05
Step by Step Solution
- Step 1: Write the proportion equation
242,638,220.70 : 363,957,331.05 = 106,589,324.70 : x - Step 2: Convert to fraction form
242,638,220.70/363,957,331.05 = 106,589,324.70/x - Step 3: Cross multiply
242,638,220.70x = 363,957,331.05 × 106,589,324.70 - Step 4: Simplify right side
242,638,220.70x = 38,793,966,136,233,848 - Step 5: Solve for x
x = 38,793,966,136,233,848/242,638,220.70 - Step 6: Final answer
x = 159,883,987.05
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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.